英语必修四导学案ModuleSix3.docx
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1、学习目标情态动词+ have done的用法题目Module 3第3课时八/Sb .494 r I 亨g*勺A3弄问基勺竹我单句语法填空:1. He pretended(read)when his father came.2. We saw your son(play)with his friend just now.3. It happened(rain)when I got off the bus.4. Dont forget(turn) off the lights when you leave the room.5. Seeing the sun(rise) above the sur
2、face of the sea, we let out a shout of jo单句改错:6. The president came under an attack from all sides for his inability to face up to the countrys severe social problem.7. Trade connections were existed between the two countries before thewar.8. He claimed having seen billions of butterflies in his lif
3、e.9. He had decided to give it up,but on second thoughts he decided to try the third time.10.On last weeks showing, the team is impossible to win today.情态动词+ have done结构一般有三个用法:1) 表示对过去发生的动作或状态的推测或估计。must have donecant/couldnt have donecan/may/might have donemay/might not have doneX 无 mustnt have do
4、ne 形式。Eg: l).it must have rained last night, for the ground is wet.2) .George cant/couldnt have walked so far, His coffee is still warm.3) .What happened to George?-1 dont know. He may/might have been lost.2,表示对过去情况的后悔,遗憾或责备。could have doneshould have doneshouldnt have doneneednt have doneneed have
5、doneEg: 1. He could have passed the exam, but he was too careless.2.Tom,you are so lazy. The work should have been finished yesterday.3.1 needn/t have bought so much wineonly five people came.3.用于虚拟语气:would/should/could/might have done用于与过去事 情不符的虚拟语气的主句中。Eg; 1.If you had followed the doctors advice
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