Bike— Part 1 채점 보고서

제안: 语法和时态错误较多，回答也不够具体。建议： 1) 使用正确的过去时（had / used to）来描述过去的习惯或状态。 2) 给出一到两句具体细节（例如谁给你的，自行车的颜色或用途，什么时候骑得多），但不要超过五句。 3) 使用连词（e.g. but, because, so）来连接句子让表达更连贯。 练习要点：写出一到两句支持细节并检查主谓一致与助动词时态。

예시: Yes, I had a bike when I was a child, but I didn’t use it very often. It was a small blue bicycle that my parents bought for me when I was eight, and I usually rode it in the park on weekends.

제안: 句子结构和连贯性需要改进。建议： 1) 将断句合并并使用合适的连接词（e.g. because, so, therefore）形成完整句子。 2) 提供更具体的原因或例子（比如通勤方便、便宜、环保或有专用车道）。 3) 注意主谓一致与单句表达完整思想，避免碎片化句子。 练习要点：用两到三句说明流行的原因并给出具体例子或比较。

예시: Yes, I think bicycles are quite popular in my country because they are cheap and convenient for short trips. For example, many of my classmates ride their bikes to school every day, and there are also dedicated bike lanes in many cities which makes it safer.

× Yes, I have a bike when I were a child, but I not usually use it.

✓ Yes, I had a bike when I was a child, but I didn't usually use it.

存在多处时态和助动词错误： 1) “when I were a child” 中主语是第一人称单数，过去时态应该用 was 而不是 were，属于过去时态的主谓不一致问题。建议记住 be 动词过去式：I/he/she/it was, you/we/they were。 2) 开头用 Yes 回答过去拥有的情况，整句话应使用过去时，因此把 have 改为过去式 had。 3) “I not usually use it.” 在一般过去时的否定句中需要助动词 did + not + 动词原形，因此改成 didn’t usually use。 改进建议：回顾一般过去时的构成（肯定句用动词过去式，否定和疑问用 did + 动词原形），并记住 be 动词过去式的变化。多做过去时的造句练习以巩固。

× I think bikes are popular in my country because my classmates and friends always use bikes. Go to school.

✓ I think bikes are popular in my country because my classmates and friends always use bikes to go to school.

原句断句不连贯，最后的“Go to school.” 是不完整的句子，缺少主语和与前句的连接，属于句子结构错误。应将其与前句连成一个完整句子，使用不定式或从句说明目的： use bikes to go to school。改进建议：注意完整句需包含主语和谓语，避免把短语单独成句；练习使用不定式（to do）或连接词（so/so that/because）连接原因与目的。