【语法解释】虚拟语气(6/6)
8.表示“要求、建议、命令”等的动词demand,require,suggest,insist,advise,order等后接宾语从句时,从句中谓语动词一般应用虚拟语气,即should+动词原形(do / be done),should也可省略。例如:
He insisted that John (should) do the job.
We suggested that the meeting (should) not be postponed.
The union demanded that the wages (should) be raised by 20%.
常用的这类动词是:
ask(要求),advise(劝告),command(命令),decide(决定),demand(要求),insist(坚持),move(提仪),order(命令),propose(提仪),require(要求),request(请求),suggest(建议),urge(主张)
如果这些动词不是表示“要求、建议、命令”等意思时,这时宾语从句则一般不用虚拟语气。例如:
He insisted that I was wrong. (这儿insist意思是“坚持认为”)
The expression on her face suggests that she knows the secret. (这儿suggest意思是“表明”)
【注】全文摘自《人教版教材•英语10选修•教师教学用书》



