《2010年中考英語含助動詞句型精講7》由留學(xué)liuxue86.com編輯整理。本內(nèi)容整理時間為05月12日，如有任何問題請聯(lián)系我們。
... must have V-ed ...
結(jié)構(gòu)︰主詞＋must have＋過去分詞…
說明︰此句型意為"一定曾經(jīng)…"。本<句型>是對過去之事做肯定之推測，而"must＋原形<動詞>"是對目前或?qū)碇伦鐾茰y。
Anyway, he must have eaten a lot because now he is fat.
無論如何，他一定吃了很多東西，因為現(xiàn)在他胖了。
You must have mistaken her for her sister. 你一定是把她誤認(rèn)為是她的姊妹了。
They must have left. 他們一定是離開了。
The rubbing must have worked. 搓揉一定是有效了。
They must have read the article. 他們一定讀過這篇文章。
You must have seen him before. 你以前一定見過他。
He must have forgotten my name. 他一定忘了我的名字。
He must have told you about it. 他一定告訴過你這件事。
Tom must have taken your dictionary by mistake. 湯姆一定是弄錯了才拿了你的字典。
The poet must have been very young when he wrote this poem.詩人寫這首詩時一定非常年輕。
... may have V-ed ...
結(jié)構(gòu)︰主詞＋may／might have＋過去分詞
說明︰此句型意為"很可能曾經(jīng)…"。表示對過去之事做不太肯定的推測。而"may／might＋原形<動詞>"是對現(xiàn)在或未來事物做推測。might have 所表示的可能性要比 may have 低一些。
He may have overslept this morning. 今天早上他或許睡過頭了。
The tea is hot; he may have been here before. 茶還熱著，不久前他很可能在這里。
He may have known the truth; otherwise he wouldn't be so angry now.
他當(dāng)時很可能知道事情的真相，否則他不會這么生氣。
The boy might have known the truth, but I am not quite sure.
這男孩當(dāng)時也許知道真相，但我不很確定。
... cannot have V-ed ...
結(jié)構(gòu)︰主詞＋cannot have＋過去分詞
說明︰此句型意為"不可能曾經(jīng)…"。是對過去之事做否定的推論，此時一定要用 cannot have 或 cannot，不能使用 must not have 或 must not。而"cannot＋原形<動詞>"是對目前或?qū)碇伦龇穸ǖ耐普摗?BR> She cannot have written the letter herself. 這封信不可能是她自己寫的。
He is honest, so he cannot have stolen my money.他是個老實人，所以他不可能偷了我的錢。
He cannot have caught a cold, because I saw him dancing with Mary the same day.
他不可能感冒，因為當(dāng)天我還看到他跟瑪麗跳舞。
《2010年中考英語含助動詞句型精講7》由留學(xué)liuxue86.com編輯整理
... must have V-ed ...
結(jié)構(gòu)︰主詞＋must have＋過去分詞…
說明︰此句型意為"一定曾經(jīng)…"。本<句型>是對過去之事做肯定之推測，而"must＋原形<動詞>"是對目前或?qū)碇伦鐾茰y。
Anyway, he must have eaten a lot because now he is fat.
無論如何，他一定吃了很多東西，因為現(xiàn)在他胖了。
You must have mistaken her for her sister. 你一定是把她誤認(rèn)為是她的姊妹了。
They must have left. 他們一定是離開了。
The rubbing must have worked. 搓揉一定是有效了。
They must have read the article. 他們一定讀過這篇文章。
You must have seen him before. 你以前一定見過他。
He must have forgotten my name. 他一定忘了我的名字。
He must have told you about it. 他一定告訴過你這件事。
Tom must have taken your dictionary by mistake. 湯姆一定是弄錯了才拿了你的字典。
The poet must have been very young when he wrote this poem.詩人寫這首詩時一定非常年輕。
... may have V-ed ...
結(jié)構(gòu)︰主詞＋may／might have＋過去分詞
說明︰此句型意為"很可能曾經(jīng)…"。表示對過去之事做不太肯定的推測。而"may／might＋原形<動詞>"是對現(xiàn)在或未來事物做推測。might have 所表示的可能性要比 may have 低一些。
He may have overslept this morning. 今天早上他或許睡過頭了。
The tea is hot; he may have been here before. 茶還熱著，不久前他很可能在這里。
He may have known the truth; otherwise he wouldn't be so angry now.
他當(dāng)時很可能知道事情的真相，否則他不會這么生氣。
The boy might have known the truth, but I am not quite sure.
這男孩當(dāng)時也許知道真相，但我不很確定。
... cannot have V-ed ...
結(jié)構(gòu)︰主詞＋cannot have＋過去分詞
說明︰此句型意為"不可能曾經(jīng)…"。是對過去之事做否定的推論，此時一定要用 cannot have 或 cannot，不能使用 must not have 或 must not。而"cannot＋原形<動詞>"是對目前或?qū)碇伦龇穸ǖ耐普摗?BR> She cannot have written the letter herself. 這封信不可能是她自己寫的。
He is honest, so he cannot have stolen my money.他是個老實人，所以他不可能偷了我的錢。
He cannot have caught a cold, because I saw him dancing with Mary the same day.
他不可能感冒，因為當(dāng)天我還看到他跟瑪麗跳舞。
《2010年中考英語含助動詞句型精講7》由留學(xué)liuxue86.com編輯整理