人教版高二(上)必修五 Unit1 Using language.ppt

lead to 引起; 造成; 导致 This will probably lead to trouble in the future. This led to his conclusion that she was guilty. Too much work and too little rest often lead to illness. All roads lead to Rome. 条条大道通罗马。 The discovery of new evidence led to _______. A. the thief having caught B. catch the thief C. the thief being caught D. the thief to be caught C lead to + n\doing 2. Only if you put the sun there did the movements of the other planets in the sky make sense. 只有你把太阳放在中心位置上，天空中 其他行星的运动才能说得清楚。 “only + 副词/介词短语/状语从句” 位于句首, 句子要倒装。 =The movements of the other planets in the sky make sense only if you put the sun there. Only if your identity has been checked, _____. A. you are allowed in B. you will be allowed in C. will you allow in D. will you be allowed in D Only then did I realize the importance of knowledge. Only in this way can we work out the maths problem. Only when ____ the truth, ______ to realize that she was wrong. A. did Mary hear; did she begin B. Mary hear; she began C. did Mary hear; she began D. Mary heard; did she begin D only if 只有; 只要 The company will succeed only if it have sufficient backing. If only he comes early. 如果……就好了 Only if the teacher gives a permission can I enter the lab. make sense 有意义, 有道理, 说得通 1) What you say makes no sense. 2) It would make sense to leave early. 3) Can you make sense of this poem? 你说的话没有道理。 还是早点走好。(明智的, 合理的) 你看得懂这首诗吗？(理解或弄懂) 1)表示对过去的某种情况进行猜测，或 本来要做某事却因某种原因未做成，通常 用来说明某一情况，但不象should或 ought to 那样含有责备之意。如： would have done 3. Yet he could not tell anyone about his theory as the powerful Christian Church would have punished him for even suggesting such an idea. I guess the poet would have been about 20 when she wrote the poem. Another worker wouldn’t have acted like that. 2) 相关知识总结： needn’t have + 过去分词，表示做了不必 做的事，译为“其实没必要……” should have + 过去分词, 表示应该做某事 但实际上未做, 译为“本应该……” should not have + 过去分词, 表示本不应