意志動詞之後接that子句作受詞時,that子句須使用助動詞should,而should往往予以省略,此類形容詞有以下: (用法同[必要動詞])

建議: suggest; recommend ; advise ; urge(催促；力勸) ; propose

要求: ask ; desire ; demand ; require ; insist

命令: order ; command

規定: rule ; regulate ; stipulate

主張: advocate ; maintain

例:

Mary desired that Peter treat her nicely.

用法

主詞 +意志動詞 + that 主詞 + (should) + 原V

例句：
He demanded that he be given the right to vote.他要求他有權投票

The doctor suggested that he stop smoking.醫生建議他戒煙

He insisted that we come earlier.他堅持我們要早到

He ordered that every student do his homework.他命令每個學生做回家功課

The chairman made a request that all staff come on time.主席要求全員準時到

The supervisor made a suggestion that he get retired next year.上級建議他明年退休

He ignored my insistence that he make an apology to me.我堅持他向我道歉，但他不理會
 
※注意
insist當做【聲稱】、suggest當做【暗示】時，不能做意志動詞

The suspect insisted that he was innocent.嫌犯聲稱他是無辜的

My friend suggested in his reply that he didn’t want to go to the party.
我朋友在回答中暗示他不想去參加派對！