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小升初英语常见易错题型解析(2),
39. 〔误〕I have studied English for three years gince I had come here.正 I have studied English for three years since I came here. 析 since用来表达主句动作的开始时间，所以其引出的从句中应为过去时，而不能用完成时态
40. 〔误〕 I can help you repair this bike. You will get it after two hours. 〔正〕 I can help you repair this bike. You will get it in two hours. 〔析〕中文经常讲两小时之后来取，两天内会修好，而这个介词在英文中要用in而不要用after。其原因有二，①after 多用于过去时，如：I arrived in New York. After three days, I found a job in the bank. ② after 加时间是表达一个不确定的时间范围，如：after three days, 即三天之后的哪一天都可以。所以在许诺若干时间内会完成某事时，一定要用介词in。
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，小升初英语常见易错题型解析(2)
