6、从句中的谓语动词用“had + 过去分词”或“could(should) + have + 过去分词”。如:I wish it were spring all the year round.I wish I had known the answer.I wish I could fly like a bird.②在表示建议、要求、命令的动词suggest、advise、propose、demand、require、insist request、command、order等后的宾语从句中,谓语动词用should + 动词原
7、形或是动词原形,should可以省略。如:She suggested we (should)leave here at once.The doctor ordered she should be operated.(2)虚拟语气在同位语从句和表语从句中的运用。学科网(ZXXK.COM)-学海泛舟系列资料上学科网,下精品资料!作表示建议、要求、命令等的名词advise、idea、order、demand、plan、proposal、suggestion、request等的表语从句和同位语从句,从句中的谓语动词用“(s
8、hould) + 动词原形”。如:His suggestion that we (should)go to Shanghai is wonderful.My idea is that they (should)pay 100 dollars.(3)虚拟语气在主语从句中的运用。在主语从句中,谓语动词的虚拟语气用“sho