Part 1
Examinador
Did you have a bike when you were a child?
Candidato
Yes, I I've had it back when I was a child.
Examinador
Do you think bikes are popular in your country?
Candidato
I think bikes are commonly popular in this country because it is being used as a form of transportation.
Did you have a bike when you were a child?
Puntuación: 60.0Sugerencia: Be direct and natural: start with a clear topic sentence, correct grammar and avoid repetition. Add one or two supporting details (when you got it, who gave it, or a memory) using a linking word. Keep it under five sentences.
Ejemplo: Yes, I had a bike when I was a child. I got it as a birthday present from my parents when I was eight, and I used to ride it to the park every afternoon. Because I practiced a lot, I became confident riding on busy streets.
Do you think bikes are popular in your country?
Puntuación: 70.0Sugerencia: Be concise and natural: begin with a clear opinion, then give specific reasons and an example using linking words (for example, because/therefore). Use correct verb forms and avoid passive phrasing like “it is being used.”
Ejemplo: Yes, bikes are quite popular in my country because many people use them for short commutes and errands. For example, in cities you often see commuters cycling to work, and bike-sharing schemes have also made cycling more convenient.
× Yes, I I've had it back when I was a child.
✓ Yes, I had one when I was a child.
The original sentence mixes present perfect 'I've had' with a past time expression 'when I was a child', which is incorrect. Use simple past 'had' for a completed action at a specific time in the past. Also 'it' is vague; 'one' or 'a bike' is clearer. Suggestion: use simple past for past events and match pronouns to the noun (I had a bike).
× I think bikes are commonly popular in this country because it is being used as a form of transportation.
✓ I think bikes are popular in this country because they are used as a form of transportation.
Problems: 'commonly popular' is redundant—use 'popular' alone. 'It is being used' incorrectly refers to 'bikes' (plural) with singular pronoun 'it' and unnatural progressive passive. Use plural pronoun 'they' and simple present passive 'are used' to describe a general fact. Suggestion: say 'bikes are popular' and 'they are used as a form of transportation'. That matches general present-tense statements.