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特殊疑问词+ have/has+主语+过去分词…
二．构成 have/has+done
e.g. 托尼看过这部电影了。
二．构成 have/has+done
e.g. 托尼看过这部电影了。
二．构成 have/has+done
肯定：Tony has seen the film.
否定：Tony hasn’t seen the film.
疑问：Has Tony seen the film?
回答：Yes, he has./ No, he hasn’t.
1. already “已经” 肯定句 句中 句末
e.g. I have already watched the TV play
e.g. I have watched the TV play already.
2. yet
表“已经” 疑问句 句末
e.g. Have you found your lost pen yet?
表“还未” 否定句 句末
e.g. I haven’t found it yet.
三. 常用副词——做题依据
3. just 表“刚刚”，肯定句 句中
e.g. He has just come back from Beijing.
4. ever 表“曾经”，疑问句 句中
e.g. Have you ever been to Shanghai?
5. never 表“从未”，肯定句 句中
e.g. I have never travelled by plane before.
6. before 表“以前”，肯；否；疑 句尾
e.g. I haven’t heard of it before.
7.recently 表“最近”多用于肯定句 句末
8. once, twice, three times等次数
9. so far 至今；到目前为止