改錯(cuò)：we have studied English for about six years since I have become a middle school student.
改錯(cuò)：we have studied English for about six years since I have become a middle school student.
英語人氣：450 ℃時(shí)間：2020-02-04 00:06:16
優(yōu)質(zhì)解答
have become改為became很感謝，似乎有點(diǎn)理解了?？梢灾v講since自從什么時(shí)候是要用現(xiàn)在完成時(shí)，什么時(shí)候后面是接過去式啊？since 后的句子過去式，since 前面是現(xiàn)在完成時(shí)態(tài) since 后可以跟1過去式的句子since I was born 2 段時(shí)間加ago 比如since 3 years ago 3 點(diǎn)時(shí)間，比如since 2008
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