假設(shè)意義表示法

1、假設(shè)意義表示法綜述 用動(dòng)詞的過(guò)去時(shí)形式表示假設(shè)意義 用情態(tài)動(dòng)詞過(guò)去時(shí)形式表示假設(shè)意義 a. (high / about ) sb should do / sb did 該是做什么事的時(shí)候了，含有晚了一點(diǎn)的意思。從句中用過(guò)去時(shí)。 Dont dawdle away your youth any more. It is time you about your future.不要再浪費(fèi)青春了，你該考慮自己的將來(lái)了。It seems to be high time that his argument put to an end.現(xiàn)在似乎是時(shí)候結(jié)束爭(zhēng)吵了。 would rather sb ,did 主語(yǔ)寧

2、愿讓另一個(gè)人做某事，從句的謂語(yǔ)用一般過(guò)去式，但表示的是現(xiàn)在或?qū)?lái)的事件 Id rather you next weekend 我希望你下周末過(guò)來(lái)。 would rather sb,had done . 主語(yǔ)寧愿讓另一個(gè)人做某事，但實(shí)際上沒(méi)有做。 I would rather he present. 我倒希望他出席了。（實(shí)際上沒(méi)有出席） 表示“但愿”，“要是.就好了”，用法和 I wish 基本相同表示對(duì)現(xiàn)在，過(guò)去和將來(lái)的虛擬，比 I wish 有更能夠強(qiáng)烈的感情色彩 if only the rain (對(duì)將來(lái)的虛擬） if only i taller （對(duì)現(xiàn)在的虛擬） if only he y

3、our advice(對(duì)過(guò)去的虛擬） 表示與現(xiàn)在事實(shí)相反或有所懷疑，謂語(yǔ)用過(guò)去時(shí) they are staring at me as if i crazy. 表示與過(guò)去事實(shí)相反，謂語(yǔ)用過(guò)去完成時(shí) she was sitting quietly in the garden as if nothing to her. 在as if /as though結(jié)構(gòu)中的動(dòng)詞形式通常能夠決定于說(shuō)話人的語(yǔ)義意圖，不表示假設(shè)不必用過(guò)去形式。 The apple as if it is sour. 表示對(duì)現(xiàn)狀的愿望，從句謂語(yǔ)動(dòng)詞用過(guò)去時(shí)。 I wish i a litter younger. 對(duì)過(guò)去的事感到遺憾或后

4、悔，從句的謂語(yǔ)動(dòng)詞用過(guò)去完成時(shí)（had done)或“would/could”+現(xiàn)在完成時(shí)態(tài)。 I wish i there. 表示對(duì)將來(lái)事態(tài)的主觀愿望，從句謂語(yǔ)動(dòng)詞用would/could+動(dòng)詞原形。表示更委婉的勸告和請(qǐng)求。 I wish you to your teachers advice.用情態(tài)助動(dòng)詞過(guò)去時(shí)形式表示假設(shè)意義 由if, if only, as if, as though, though引導(dǎo)的條件狀語(yǔ)和讓步狀語(yǔ)從句Were-型虛擬式常用于中，表示非真實(shí)的條件和讓步。 If i you,i would help him If you your mind, do let me know. If i her address,i would have written to you. I were ill that day. Otherwise, I would have taken part in the sport meet. But for your help, I couldt have achieved anything.That she should forget me so quickly was