2017年英語(yǔ)三級(jí)考試精選詞組知識(shí)點(diǎn)匯總整合版

英語(yǔ)三級(jí)已經(jīng)開(kāi)始報(bào)名了，對(duì)于大學(xué)很久沒(méi)有學(xué)英語(yǔ)的人來(lái)說(shuō)英語(yǔ)三級(jí)還是有一定難度的。下面是小編從大神那里拿來(lái)的2017年英語(yǔ)三級(jí)精選詞組知識(shí)點(diǎn)大綱，需要的快來(lái)下載吧！

2017年英語(yǔ)三級(jí)精選詞組知識(shí)點(diǎn)預(yù)覽

as though 似乎、好像

【例句】He behaved as though nothing had happened. 他裝作若無(wú)其事的樣子。

【總結(jié)】as if/as though的用法

as if 與as though 是一組同義詞，兩者意思相同，用法也相同，只是在口語(yǔ)中人們多半會(huì)用as if, 取其簡(jiǎn)短。as if和as though用法較為復(fù)雜，

(一)在通常情況下，as if 和as though所引導(dǎo)的從句的謂語(yǔ)動(dòng)詞多用虛擬語(yǔ)氣，表示所敘述的情況與事實(shí)相反。具體用法如下：

1)談?wù)摤F(xiàn)在情形的，用過(guò)去時(shí)(動(dòng)詞be用were,也可用was)：

Why is she looking at me as though she knew me? 他為什么那樣看我?像是認(rèn)識(shí)我似的。

He behaves as if he owned the house. 他的樣子好像他擁有這個(gè)房子。

Its not as though he was /were poor.

2)談?wù)撨^(guò)去情形的動(dòng)詞形式有以下幾種：

a)過(guò)去式，表示過(guò)去的狀態(tài)，如：He stood there looking at the train and laughing, as if to miss a train was the best joke in the world.

他站在那里，望著火車(chē)哈哈大笑，好像誤了火車(chē)是天底下最開(kāi)心的事兒似的。

Mr. Coleman always talked as if he knew everything.

但是，如果狀態(tài)動(dòng)詞帶有持續(xù)時(shí)間狀語(yǔ)，則用過(guò)去完成時(shí)：

They talked as if they had been friends for years.

(試比較：They had been friends for years.)Now it is as though she had known Millie for years. (《現(xiàn)代英語(yǔ)用法詞典》)情態(tài)動(dòng)詞亦用過(guò)去時(shí)：

b)過(guò)去完成時(shí)，表示過(guò)去的動(dòng)作先于主句動(dòng)詞而發(fā)生或完成，如：

It was as if he had lost his last friend.

I remember, she tells her children now,how wild his white hair looked——as if it had been electrified.必須注意的時(shí)，在指過(guò)去的動(dòng)作時(shí)，即使主句是現(xiàn)在時(shí)，as if 從句中的動(dòng)詞也要用過(guò)去完成時(shí)：He talks about Rome as though he had been there himself.

他講起羅馬的情況來(lái)就好像他親自到過(guò)那里似的。

c)過(guò)去進(jìn)行時(shí)，表示動(dòng)作正在進(jìn)行：

He heard a noise, as if someone was breathing.

I felt as if the ground were slipping beneath my feet. 我感到大地仿佛在腳下滑動(dòng)。

d)過(guò)去將來(lái)時(shí)，表示將要發(fā)生的事態(tài)：It looked as if it was going to snow.

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