更新时间2019-12-18 04:49:58
什么情况下含有have的陈述句变一般疑问句需要have提前?
你好,现在完成时态的陈述句变一般疑问时需要将 have 提前。例如:
1. I have known Jack for three years. (我认识杰克已经有三年时间了。)
变成一般疑问句: Have you known Jack for three years?
2. We have been to the Great Wall twice. (我们已经去过长城两次了。)
变成一般疑问句: Have you been to the Great Wall twice?
而在一般现在时态的陈述句中,含有 have 的句子变成一般疑问句时,要借助于助动词 do。例如:
1. I have a new book. (我有一本新书。)
变成一般疑问句: Do you have a book?
2. We have three meals a day. (我们一天吃三顿饭。)
变成一般疑问句: Do you have three meals a day?
对的,需要的
额,只要变一般疑问句都要提前
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