Bike— Part 1 채점 보고서

제안: 在回答时注意时态一致、语法和句子结构。可以先用一句主题句直接回答，然后用一到两句具体细节扩展。注意动词形式（例如过去时）和介词用法，避免重复表达。尝试使用连词使句子更连贯，例如“and”或“so”。

예시: Yes, I had a bike when I was a child. I often rode it to school and sometimes went to the park to ride with my friends. It was small and bright red, and I enjoyed exploring nearby streets on weekends.

제안: 回答时要更具体并使用恰当的词汇与句子结构。先给出明确观点，然后用具体原因或例子支持。注意名词单复数（e.g. bikes, bike-sharing）和表达完整的原因句。可以用连词如“because”、“for example”来增强逻辑性。

예시: Yes, bikes are very popular in my country, especially in cities. For example, many people use bike-sharing services and public rental bikes because they are cheap and convenient. Riding bikes also helps reduce air pollution and traffic congestion.

× Yes, I have a bike.

✓ Yes, I had a bike.

原句考官問的是過去 (Did you have ... when you were a child?)，應使用過去時。原句用現在時 have 與問題時態不一致。建議在類似以過去為背景的問句中，把動詞改為過去式（have → had）。

× When I was a child I usually riding it to the school and go to the park to riding.

✓ When I was a child I usually rode it to school and went to the park to ride.

原句有多處動詞形式錯誤：1) 'usually riding' 在過去背景下應為過去式 rode；2) 'go to the park' 與前後時態不一致，應為過去式 went；3) 'to riding' 不正確，'to' 後面接動名詞在表目的時應用不定式或 ride（to ride）。因此將動詞統一改為過去式或不定式以符合句意。建議學習過去時規則變化並注意不定式用法（to + 原形動詞）。

× Yes, bike is very popular in my country.

✓ Yes, bikes are very popular in my country.

原句中主詞與動詞、冠詞搭配不當：若說一般情況下某物很流行，通常用複數 (bikes) 或在單數前加定冠詞或不定冠詞（A bike is...）。此外動詞要用複數 are 與複數主詞一致。建議把名詞改為複數並使動詞一致。

× I live in China and China has many public biking because people think it is.

✓ I live in China, and there are many public bike-sharing services because people think it is convenient and can protect the environment.

原句句構混亂：1) 'many public biking' 不是正確詞組，應使用名詞短語如 'many public bike-sharing services' 或 'many public bicycles'；2) 'because people think it is.' 不完整，缺少賓語或形容詞（think it is what?）；3) 需要連接詞與逗號來分句。建議使用完整名詞短語並表明完整原因（例如 'convenient' 或 'good for the environment'）。

× It can protect our environment.

✓ They can protect our environment.

此處代詞指代之前提到的 'bikes' 或 'public bicycles'，因此應使用複數代詞 they，而不是單數 it。主詞與代詞必須一致。建議確認代詞指向的先行詞並保持單複數一致。