unit4 grammar 虚拟语气 use课件.ppt

Grammar Usage;Subjunctive Mood;;;; 虚拟语气假设条件句型注意点：;2.假设条件虚拟倒装。 条件从句中有should， were， had三个助动词可以把if省略，并将这三个词提至句首。 If I were you, I would give it up. Were I you, I would give it up.;If I had had time, I would have run round that lake again. Had I had time, I would have run round that lake again. If there should be a flood, what should we do? Should there be a flood, what should we do?;注意：　 在虚拟语气的从句中，动词be的过去时态一律用were，不用was， 即在从句中be用were代替。;;;;;;;;虚拟语气特殊句型：; If only I knew his name! If only we had followed your advice! If only I could see him again!; I wish I were as tall as you.　;2. would rather that;3.It’s (about/high) time +that ;4.表示要求，命令，建议的虚拟语气。;我们建议Tom 去休息一下(have a rest)。 他坚决要求我到场（be present)。 国王命令囚犯明天要实施死刑(be killed)。 他们要求我们派他们去那儿工作(sendto)。;I suggest that we (should) hold a meeting next week. He insisted that he (should ) be sent there.;以上动词相应的名词构成的名词性从句包括主语从句，表语从句和同位语也要使用虚拟语气。从句中的动词形式一样。 order, advice, suggestion, proposal, demand, request, desire;It’s suggested that the plan be carried out. My demand is that she should come to see me once a week. All of us are for the advice that the chemical factory should be closed down.;5. It’s necessary /strange/ natural/ important + that---Clause 从句中的动词要用虚拟，即（should）+动词原形;Consolidation;;;;;;;;;Thank you!