搜搜做题作业网it is four years since i an english teacher
来源：学生作业帮 编辑：搜搜做题作业网作业帮 分类：英语作业 时间：2024/07/23 09:03:37
it is four years since i an english teacher
a become b became c becomes d have became
说下为什么
a become b became c becomes d have became
说下为什么
D选项的”became"打错了,应该改为”become",
D
翻译：自从我成为一个英语老师到现在已经有四年了.
因为这里的时态是现在完成时(since自从),所以要选“have become",故答案为D.
再问： 不好意思，是我打错了，但是become不是不延续的吗
再答： 虽然become不是延续性动词，但并不是所有现在完成时都是表示延续性的，since+时间点只是表示从...以来，是现完的标志。for+一段时间才是表示延续的，因为这里是“since"来连接句子的，所以可以用”have become".
D
翻译：自从我成为一个英语老师到现在已经有四年了.
因为这里的时态是现在完成时(since自从),所以要选“have become",故答案为D.
再问： 不好意思，是我打错了，但是become不是不延续的吗
再答： 虽然become不是延续性动词，但并不是所有现在完成时都是表示延续性的，since+时间点只是表示从...以来，是现完的标志。for+一段时间才是表示延续的，因为这里是“since"来连接句子的，所以可以用”have become".
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