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让步状语从句中的倒装知识点考点复习 though引导的让步状语从句可以运用倒装结构而其它从属连词则不可以。在倒装结构中，though可用as或that代替。但用as和that引导让步状语从句时必须倒装。倒装形式主要有以下几种。 A、名词+though（as、that）+主语+be动词 Manager though(as、that) he is, he is very modest. 这时作表语的单数可数名词放在句首时，名词不能同冠词连用。 B、形容词+ though（as、that）+主语+谓语 Strong though you are, you can’t lift it. 这时作表语的形容词前不能添加任何表示程度的副词。 C、副词+ though（as、that）+主语+谓语 Hard as he works, he was unable to make great progress. D、原形动词+ though（as、that）+主语+助动或情态动词 Fail many times as he did, he never lost heart. Search though they might, they can’t find anybody in the house. E、现在分词+ though（as、that）+主语+be动词或助动词Raining as it is, I’m going to visit you. Living, as he does, alone in the mountain, he feels pleased. F、过去分词+ though（as、that）+主语+be动词 Praised as he was, he remained modest. 但上述有些结构并非总是表示让步，名词或过去分词放在句首时也可以表示原因。例如： Child as he is, he doesn’t experience some social problems. Born as he is in a rich family, he grows up better than others. Tired as he was, he stopped working and went to bed.（原因） Tired as he was, he continued to work.（让步） 练习： 31. I saw Mr. Smith last Sunday. We had not seen each other ________ I left London. A. as B. before C. since D. till 32. I’ll be back before you ________. A. will leave B. will have left C. leave D. would leave 33. The problem won’t be settled until we ________ a chance to discuss it thoroughly. A. have had B. will have C. will have had D. would have 34. If you ________ this experiment，you will understand the theory better. A. will be doing B. have done C. will have done D. would do 35. They went on working ________ it was late at night. A. even if B. as if C. however D. as though 36. I hurried ________ I wouldn’t be late for class. A. since B. so that C. as if D. unless 37. ________ you talk to someone or write a message，you show your skills to others. A. At times B. Some time C. By the time D. Every time 38. Although he is considered a great writer，________. A. however his works are not widely read B. but his works are not widely read C. his works are not widely read D. still his works are not widely read 39. We should finish the important job，________. A. long it takes however B. it takes however long C. long however it takes D. however long it takes 40. ________ comes to the party will receive a gift. A. No matter who B. Who C. Which one D. Whoever 
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社会生活
