人教课标版高中英语选修8Unit5Reading.ppt

B:表示对某事的责备和批评，常用于这种用法的情态动词有might, could, need, ought to, should; might语气最弱should 语气最强，属于虚拟语气的用法 【模仿3】should have done 本来应该做（但没有做）；shouldn’t have done 本来不应该做（但做了）； 两皆含有强烈责备批评的语气 (5)你本来应该按时完成作业的。 You should have finished your home work on time. (6)他们本不应该仅仅因为他要就给他那么多钱的。 They shouldn’t have given him so much money only because he asked for. * * 【模仿4】could /might have done表示委婉的批评，常翻译为“本来可以做得更…一些，本应该…” (7) 如果你不偷懒的话，你本来可以做得更好。 If you hadn’t been lazy, you could have been better. (8) 你犯了几个错误，你本来应该更细心一些。 You have made a few mistakes. You might have been more careful. * * 【模仿5】needn’t have done 本来不需要 （9）这么近，我们当时没有必要坐出租车的。 It’s too near. We needn’t have taken a taxi. * * 3.【原句】We have been excavating layers of ash almost six metres thick, which suggests that they might have kept the fire burning all winter. [模仿要点] suggest表“建议”其宾语从句用should do虚拟语气；表“暗示” 其宾语从句用陈述语气陈述事实或可能发生的事，从句时态根据具体情况选用。 【模仿1】我建议我们现在就离开 I suggest (that) we should leave now. 【模仿2】他的表情暗示他对她的回答很满意 His expression suggested that he was satisfied with her answer. * * 1. A group of students __________ (come) to _______ Zhoukoudian caves ______ a visit and _______ archaeologist is showing them _________ 2. ____ is a great pleasure to meet you students from England, _____ are interested in archaeology. 3. You must be aware that it’s here _______ we found evidence of some of the earliest people… 4. We _____________________( excavate) here for many years and… 5. How did they keep warm? They _____________ have mats, blankets or quilts like we do. It ________ uncomfortable. It who that have been excavating couldn’t must have been has come the for an round * * 6.We’ve discovered fireplaces in the centre of the caves __________ they made fires. That _________________ them warm, cooked the food and scared wild beasts as well. 7.We ______________________ layers of ash almost six metres thick, which suggests that they _______________ the fire __________ (burn) all winter. 8. We continue ___________(dis