Part 1
Examiner
Did you have a bike when you were a child?
Candidate
Do you have a bike when you were a child?
Examiner
Do you think bikes are popular in your country?
Candidate
Of course. Bikes are very popular in our country because it is convenient and free.
Did you have a bike when you were a child?
Score: 35.0Suggestion: The student misinterpreted the question and repeated it in present tense instead of answering. Improve by answering directly with a clear topic sentence, using correct past tense, and adding 1–2 specific supporting details. Keep it natural and concise (no more than 5 sentences). For coherence, use a linking word if you add details (e.g., “because”, “so”, “when”).
Example: Yes, I had a bike when I was a child. I often rode it to visit my friends because our neighborhood was small and safe. Sometimes my father helped me learn to ride, so I became confident quickly.
Do you think bikes are popular in your country?
Score: 55.0Suggestion: The answer is short and partly effective but has issues: “it is convenient and free” is vague and partly inaccurate (bikes are not always free). Improve by giving a clear topic sentence, then add specific reasons or examples using linking words (e.g., “because”, “for example”, “so”). Use more precise vocabulary (e.g., “affordable”, “eco-friendly”, “widely used”). Keep to 2–4 sentences total.
Example: Yes, bikes are very popular in my country because they are affordable and convenient for short trips. For example, many people cycle to work or school to avoid traffic, and in some cities there are bike-sharing schemes that make cycling even more accessible.
× Do you have a bike when you were a child?
✓ Did you have a bike when you were a child?
The student used present tense 'Do you have' while the time reference 'when you were a child' is in the past. This is a tense error (Past tense issue). Use the past simple auxiliary 'Did' plus base verb 'have' to form the correct past question. Suggestion: match the verb tense to the time reference; for past situations use 'Did + subject + base verb'. Grammar problem type ID: 5
× Of course. Bikes are very popular in our country because it is convenient and free.
✓ Of course. Bikes are very popular in our country because they are convenient and cheap.
There are two issues: the pronoun 'it' incorrectly refers to 'bikes' (plural), so use the plural pronoun 'they' (Incorrect use of pronouns / Subject-verb agreement). Also 'free' is unlikely for bikes in general; 'cheap' fits better to describe cost, or if the speaker meant 'free of charge' they should specify what is free. The verb should agree with the plural subject: 'they are'. Suggestion: Use pronouns that match the number of the noun and ensure adjective choice fits meaning (e.g., 'they are convenient and cheap' or 'they are convenient and often free to use' if public bikes are free). Grammar problem type ID: 27