虚拟语句

​表示建议、要求、命令等意思的动词，如arrange,command, demand, desire, insist, order, propose, request, require, suggest, beg,move（提议）后面的宾语从句中，谓语动词用should+ 动词原形，should可以省略，而引导宾语从句的that 不能省略。例如：

　　We suggested that we (should) have a meeting.

　　We insisted that they (should) go with us.

　　The doctor ordered that she (should) stay in bed fora few days.

　　He demanded that we (should) start right away.

　　The commander ordered that the bridge (should) bebombed.

　　The villagers requested that the old building not bepulled down.