Bike— Part 1 채점 보고서

제안: 回答方向是正确的，但有明显的语法和词汇错误。首先，应该说“when I was a child”，因为主语是“I”，过去时用“was”；其次，“back”应为“bike”。另外，第二句的时态应与过去经历保持一致，使用“had”，而不是“have”。建议先直接回答，再补充自行车的颜色或使用情况，使答案更完整、自然。

예시: Yes, I had a bike when I was a child. It was pink, and I often rode it around my neighborhood after school.

제안: 你表达了自行车受欢迎的观点，但“Too many people”不是完整句子，也没有清楚说明“很多人骑自行车”。“It is very efficient”中的“it”指代不够明确，建议改为“Bikes are very efficient”。可以使用“because”连接原因，并补充具体场景，例如通勤、避免交通拥堵或节省费用。

예시: Yes, bikes are quite popular in my country because they are efficient and affordable. Many people ride them to work or school, especially in crowded cities, where they can avoid traffic jams.

× Yes, when I were a child.

✓ Yes, when I was a child.

“When I were a child”描述过去的情况，应该使用过去时。主语是“I”时，be动词的过去式应使用“was”，不能使用“were”。

× I have a pink back.

✓ I had a pink back.

前文谈论的是童年时期的情况，因此这里也应使用过去时。“have”的过去式是“had”。注意：“back”在语法上可以作名词，但如果你想表达“粉色自行车”，应使用“bike”。

× Too many people.

✓ There are many people who ride bikes.

“Too many people”只有名词短语，没有完整的谓语动词，因此不是完整句子。可以使用“There are...”结构，并加入“ride bikes”来完整表达“有很多人骑自行车”。

× It is very efficient.

✓ They are very efficient.

这里谈论的是复数名词“bikes”，所以应使用复数代词“They”，并搭配复数be动词“are”，不能使用单数代词“It”和“is”。