Where ESL 1 Students Most Often Struggle With Grammar

Key Takeaways

Definitions

ESL 1: An introductory English as a Second Language course that helps students build foundational skills in listening, speaking, reading, writing, and grammar.

Grammar: The system of rules that helps words work together in sentences, including verb tense, word order, plurals, articles, and sentence structure.

Why grammar feels especially hard in high school ESL 1

If you are wondering where ESL 1 students struggle with grammar, it often helps to start with the demands of the course itself. High school ESL 1 is not just about memorizing rules. Your teen is learning how English works while also trying to read class texts, follow teacher directions, participate in discussions, and complete writing assignments that may be graded for both content and accuracy.

That combination can feel heavy. Many students in ESL 1 have strong ideas and background knowledge, but they are still developing the language structures needed to express those ideas clearly in English. A teen may understand a science concept, a history topic, or a personal narrative prompt, yet still write sentences like “Yesterday I go store” or “She have two brother.” Those errors are common in beginning English development because students are managing vocabulary, grammar, and meaning all at once.

Teachers who work with multilingual learners often see the same pattern. Students can sometimes recognize a correct sentence when they hear it, but they cannot yet produce that structure consistently in speaking or writing. This is a normal stage of language development. Grammar in ESL 1 is learned through repeated exposure, correction, and use in meaningful tasks, not through one worksheet alone.

Parents may also notice that their teen seems more accurate on short practice exercises than in a paragraph or class response. That happens because isolated practice is simpler. Once students have to write a full response, they must juggle ideas, vocabulary, spelling, punctuation, and grammar at the same time. In high school, that cognitive load matters.

English sentence patterns that cause the most confusion

One of the biggest grammar hurdles in ESL 1 is basic sentence formation. English word order is less flexible than in many other languages, so students often need direct instruction and repeated correction to internalize the pattern of subject, verb, and object.

For example, a student may write “Is very difficult the homework” instead of “The homework is very difficult.” Another might say “Always I study at night” instead of “I always study at night.” These are not random mistakes. They usually reflect transfer from the student’s first language or uncertainty about where adverbs, verbs, and subjects belong in English sentences.

Teachers also see frequent confusion with complete sentences versus fragments. In class, your teen may be asked to respond to a reading with a full sentence, but write “Because the character was scared” or “When he arrived at school.” The student may understand the text perfectly well, but still need support turning an idea into a complete grammatical sentence.

Questions are another common trouble spot. English requires changes in word order for many questions, especially with helping verbs. Students may write “Why you are late?” or “What she is doing?” instead of “Why are you late?” and “What is she doing?” This tends to appear on quizzes, speaking checks, and classroom conversations.

When families want to help at home, it is often more useful to focus on one sentence pattern at a time than to correct every error at once. A teacher, tutor, or parent might choose a short target such as statements with be verbs, simple present sentences, or question formation. That narrower focus gives students a chance to build accuracy without becoming overwhelmed.

Verb tense, subject-verb agreement, and the problem of too many rules at once

Verb use is one of the clearest answers to the question of where students in ESL 1 struggle with grammar. English verbs carry a lot of information. They show time, match the subject, and sometimes require helping verbs. For a beginning multilingual learner, that is a lot to track.

In high school ESL 1, students are usually expected to work with simple present, present progressive, simple past, and basic future forms. Even when they understand the meaning of these tenses, they may not use them consistently. A student might write, “My family lives in Dallas, and last year we move here,” mixing present and past forms in the same sentence. Another may write, “She is play soccer after school,” combining a helping verb with the wrong main verb form.

Subject-verb agreement is another frequent issue. Third-person singular forms such as “he runs” or “she likes” are especially difficult because the added -s is small, easy to miss, and not always meaningful in the student’s first language. In speech, teens may say “My brother play basketball” for months before that pattern starts to shift.

Irregular past tense verbs can also slow students down. Even after learning “walked” and “studied,” they may still write “buyed,” “eated,” or “goed.” That does not mean they are not learning. It means they are applying a rule broadly before mastering the exceptions, which is a common developmental step.

Helpful feedback in this area is specific and limited. Instead of marking every grammar issue on a paragraph, a teacher or tutor might underline only verb errors and ask the student to revise those first. That kind of focused correction helps teens notice patterns. Over time, they begin to ask themselves questions such as “Is this happening now or in the past?” and “Does my verb match he, she, or it?” Those self-check habits matter just as much as the correction itself.

Articles, plurals, and small words that carry a big load in ESL 1

Some of the most persistent grammar errors in ESL 1 involve very short words. Articles such as a, an, and the are difficult because they depend on meaning and context, not just memorization. A student may write “I have dog” or “Teacher gave us homework” because article use does not work the same way in their first language. Even advanced learners can need extra practice with this.

Plurals create similar confusion. English asks students to mark singular and plural nouns clearly, but the changes are not always simple. Teens may write “two book,” “many homeworks,” or “three childs.” In class, these mistakes often appear in descriptive writing, personal narratives, and reading responses. If the student is also thinking about vocabulary and sentence structure, plural endings are easy to miss.

Count and noncount nouns add another layer. Words like information, advice, furniture, and homework do not usually take plural forms in English, which can feel arbitrary to a new learner. A student may say “I have many homeworks tonight” because they are trying to apply a logical plural rule.

These smaller grammar features matter because they affect how natural and precise a sentence sounds. They are also the kinds of errors teachers may circle repeatedly on writing assignments. That repetition can frustrate students, especially if they feel they keep making the same mistakes. Guided practice helps when it is concrete. Sorting nouns into count and noncount groups, revising short sentences with article choices, and reading corrected examples out loud can make these patterns more visible.

If your teen gets discouraged by repeated corrections, it may help to remind them that these are among the most common areas where ESL 1 students struggle with grammar. The issue is usually not motivation. It is that English packs a lot of meaning into small grammatical markers that take time to notice and use accurately.

What does grammar difficulty look like in high school ESL 1 classrooms?

In real classrooms, grammar struggles do not always show up as low effort or lack of preparation. Sometimes they look like avoidance. Your teen may keep sentences very short because longer writing increases the chance of mistakes. They may participate less in discussions because they need more time to build a correct sentence before speaking. They may understand a reading passage but lose points on the written response because grammar makes the answer hard to follow.

You might also see uneven performance across tasks. A student may do well on matching exercises or multiple-choice grammar questions, then struggle on open-ended writing. That difference is important. Recognition is easier than production. In other words, your teen may know more than their writing currently shows.

Teachers often notice that students improve in one structure while another slips. For example, a teen may finally start using past tense endings correctly but begin dropping articles more often. This is common in language learning because students are shifting attention from one feature to another. Progress is rarely perfectly straight.

Parents can support this process by asking specific questions about classwork. Instead of asking, “How is English going?” try “Are you working on past tense, sentence order, or questions right now?” That gives your teen a clearer opening to talk about what feels difficult. It also helps families understand whether the challenge is about a particular grammar target or the overall workload of the course.

For some students, organization and follow-through also affect grammar growth. If your teen loses revision notes, forgets to correct errors from one assignment to the next, or rushes through writing tasks, resources on study habits can support stronger academic routines alongside language instruction.

How guided practice and individualized support help grammar stick

Grammar improves most when students get timely feedback and a chance to use that feedback right away. In ESL 1, this often means short cycles of instruction, practice, correction, and revision. A teacher might model five example sentences, ask students to complete a few of their own, then review common errors before moving into a paragraph task. That sequence is effective because it connects rules to actual use.

Individualized support can be especially helpful when your teen has a consistent pattern of errors. For example, one student may need extra help with be verbs and sentence completeness, while another needs support with articles and plural nouns. A broad reminder to “check grammar” is usually too vague. Focused feedback such as “Add is or are in these three sentences” or “Fix the nouns that should be plural” gives students something they can act on.

One-on-one tutoring can fit naturally into this process. It gives students more time to slow down, ask questions, and practice the exact grammar structures they are learning in class. In a tutoring session, a teen can revise their own school writing, compare correct and incorrect sentence patterns, and receive immediate feedback without the pressure of a full classroom. That kind of support is not about doing the work for the student. It is about making the learning process more visible and manageable.

Parents often find that confidence grows when grammar practice becomes more predictable. A short routine can help: review one teacher correction, rewrite two or three sentences correctly, then use that same pattern in a new example. This is more effective than assigning long pages of mixed grammar drills with no feedback. Students need to see what changed and why.

It is also worth remembering that language learning is cumulative. A teen may need many exposures to the same structure before it becomes automatic. Supportive instruction, patient correction, and repeated use are what move grammar from recognition to independent control.

Tutoring Support

If your teen is having a hard time with sentence structure, verb forms, or repeated writing corrections in ESL 1, extra support can make the course feel more manageable. K12 Tutoring works with families to provide individualized academic help that matches what students are learning in class. For multilingual learners, that can mean slowing down grammar instruction, practicing with real school assignments, and getting feedback that is clear enough to use on the next quiz, paragraph, or class discussion.

Many families choose support not because their child is failing, but because they want more guided practice and a better understanding of what the teacher’s corrections mean. With the right instruction, students can build stronger grammar habits, clearer writing, and more confidence using English across subjects.

Related Resources

• How To Build Your Child’s Confidence: A Parent’s Guide – Crimson Rise
• How High-Quality, Small-Group Tutoring Can Accelerate Learning – IES (U.S. Department of Education)
• Roles in Gifted Education: A Parent’s Guide – davidsongifted.org

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Last reviewed: May 2026

This article was prepared by the K12 Tutoring education team, dedicated to helping students succeed with personalized learning support and expert guidance. K12 Tutoring content is reviewed periodically by education specialists to reflect current best practices and family feedback. Have ideas or success stories to share? Email us at [email protected].