特殊的虛擬語氣詞：should
1） It is demanded / necessary / a pity + that結構中的主語從句的謂語動詞要用should 加動詞原形， 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）在賓語從句中的應用
在表示命令、建議、要求等一類動詞后面的從句中。
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 或堅持要某人做某事時，即它們用于其本意暗示、表明、堅持認為時，賓語從句用陳述語氣。
The guard at gate insisted that everybody obey the rules.
判斷改錯:
（錯） You pale face suggests that you （should） be ill.
（對） Your pale face suggests that you are ill.
（錯） I insisted that you （ should） be wrong.
（對） I insisted that you were wrong.
3）在表語從句，同位語從句中的應用
在suggestion, proposal, idea, plan, order, advice等名詞后面的表語從句、同位語從句中要用虛擬語氣，即（should）+動詞原形。
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.
1） It is demanded / necessary / a pity + that結構中的主語從句的謂語動詞要用should 加動詞原形， 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）在賓語從句中的應用
在表示命令、建議、要求等一類動詞后面的從句中。
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 或堅持要某人做某事時，即它們用于其本意暗示、表明、堅持認為時，賓語從句用陳述語氣。
The guard at gate insisted that everybody obey the rules.
判斷改錯:
（錯） You pale face suggests that you （should） be ill.
（對） Your pale face suggests that you are ill.
（錯） I insisted that you （ should） be wrong.
（對） I insisted that you were wrong.
3）在表語從句，同位語從句中的應用
在suggestion, proposal, idea, plan, order, advice等名詞后面的表語從句、同位語從句中要用虛擬語氣，即（should）+動詞原形。
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.
