初中英語虛擬語氣講解課件

1、虛擬語氣第13講 虛擬語氣是通過特殊的謂語動詞形式來表達愿望、假設(shè)、懷疑、猜測、或建議等語氣。 eg: Long live the people! 人民萬歲！ May you succeed! 祝你成功！ May you be happy all your life! 祝你一生幸福！虛擬語氣的定義 1.虛擬語氣主要是用在if引導(dǎo)的虛擬條件從句中，表示根本不存在的情況或與現(xiàn)實情況相反的，或?qū)崿F(xiàn)的可能性很小的假設(shè)。用法 構(gòu)成從句動詞主句動詞(1)與現(xiàn)在事實相反過去式(be用were)should/would/might/could+動詞原形eg: If the weathrer were fine

2、,they would go for a swim. 如果天氣好，他們就去游泳了。 (事實上天氣不好)eg: If we had time now,we should read it again.要是現(xiàn)在有空，我們就把它看一遍。(事實現(xiàn)在沒有空)用法 構(gòu)成從句動詞主句動詞(3) 對將來情況的主觀推測過去式(be用were)b. should/動詞原形c. were to+動詞原形should/would/could/might+動詞原形eg: If you dropped the glass, it would break. 杯子摔下來會打碎的。 (事實上不會摔下來)eg: If she sh

3、ould come, I would ask her for help. 要是她會來的話，我就請她幫忙。 (事實上她來的可能性很小)用法例句(1).虛擬語氣用在wish或as if 后面的方式狀語從句中。I wish I were a soldier. 但愿我是個戰(zhàn)士。 （與現(xiàn)在事實相反）He wished he hadnt said it. (過去事實相反)他但愿沒有說過那句話。He wished I would help him. (將來相反) 他希望我?guī)椭?。用法例?2).虛擬語氣用在表示建議、命令等的名詞性從句中或demand,suggest, order,insist,propos

4、e等動詞引導(dǎo)的從句中謂語動詞的形式是“should+動詞原形”或只用動詞原形表示虛擬語氣。She insisted that she (should)go alone. 她堅持獨自去。eg: The Chairman proposed that we (should) not discuss the question. 主席提議我們不要討論這個問題。He suggested that we (should)put the match off. 他建議我們延期比賽。用法例句(3).虛擬語氣用在Its time that結(jié)構(gòu)中,表示“該干某事了”,含建議的意思，用動詞過去式。eg: Its tim

5、e (that) we went to bed.咱們該睡覺了。(4).虛擬語氣用在would rather后面的從句中,表示“希望”,與將來或現(xiàn)在事實相反,動詞用過去式;與過去事實相反動詞用過去完成時。Id rather I had seen this film.我真希望我看過這部電影。1.If I (be)you, I would buy a big house with a pool.2.If I (know)how to sing the song, I would have joined you that day.3.He said that they (leave) for home the next day.4.He suggested that they (use) a trick instead of fighting.5.I would rather you (tell) me the truth.6.You are late. If you (come) a few minutes earlier, you (met) him.7.If he had been here yesterday,he (give) us m