在英語(yǔ)六級(jí)考試當(dāng)中，幾乎沒(méi)有單獨(dú)考察語(yǔ)法的題，但語(yǔ)法知識(shí)卻貫穿整個(gè)試卷。下面本站網(wǎng)英語(yǔ)六級(jí)頻道為大家整理了英語(yǔ)六級(jí)語(yǔ)法知識(shí)，希望可以為大家?guī)?lái)幫助。

2017年12月大學(xué)英語(yǔ)六級(jí)語(yǔ)法知識(shí)大全

特殊的虛擬語(yǔ)氣詞：should

1) It is demanded / necessary / a pity + that…結(jié)構(gòu)中的主語(yǔ)從句的謂語(yǔ)動(dòng)詞要用should 加動(dòng)詞原形， should 可省略。

句型：

(1)suggested

It is (2)important that…+ (should) do

(3) a pity

(1)suggested, ordered, proposed, required, demanded, requested, insisted; + (should) do

(2)important, necessary, natural, strange

a pity, a shame, no wonder

(3)It is suggested that we (should) hold a meeting next week.

It is necessary that he (should) come to our meeting tomorrow.

2)在賓語(yǔ)從句中的應(yīng)用

在表示命令、建議、要求等一類動(dòng)詞后面的從句中。

order, suggest, propose, require, demand, request, insist, command, insist + (should) do

I suggest that we (should) hold a meeting next week.

He insisted that he (should ) be sent there.

注意： 如suggest, insist不表示"建議" 或"堅(jiān)持要某人做某事時(shí)"，即它們用于其本意"暗示、表明"、"堅(jiān)持認(rèn)為"時(shí)，賓語(yǔ)從句用陳述語(yǔ)氣。

The guard at gate insisted that everybody obey the rules.

判斷改錯(cuò):

(錯(cuò)) You pale face suggests that you (should) be ill.

(對(duì)) Your pale face suggests that you are ill.

(錯(cuò)) I insisted that you ( should) be wrong.

(對(duì)) I insisted that you were wrong.

3)在表語(yǔ)從句，同位語(yǔ)從句中的應(yīng)用

在suggestion, proposal, idea, plan, order, advice等名詞后面的表語(yǔ)從句、同位語(yǔ)從句中要用虛擬語(yǔ)氣，即(should)+動(dòng)詞原形。

My idea is that we (should) get more people to attend the conference.

I make a proposal that we (should) hold a meeting next week.

2017年12月大學(xué)英語(yǔ)六級(jí)語(yǔ)法知識(shí)大全