(
课件网) Passive voice 被动语态 Grammar 主动变被动语态的口诀及步骤 宾变主、主变宾，by短语后面跟。 谓语动词变被动， be后'过分'来使用 We speak English. 主动语态 主语 谓语 宾语 English is spoken by us. 被动语态 主语 谓语 宾语 1.找宾语: 即动作的承受者(改为主语) 3. 判断新主语的单复数:确定be动词的单复数. 4. 判断动词的时态 : 即be动词的时态. 2. 修改谓语的语态:即be+原V.过去分词 5. 修改原句的主语 :即by +主语(变宾格). be done Revision 主语be动加分词 动作发出者用by 现在要用 am/is/are 过去要用 was/were 将来要用 will be The passive voice with modal verbs Answer the questions with sentences from the article on page 51. What should we do to the pictures if we want the characters and things to appear to move How should we add sound effects Each picture should be made a little different from the one before it. Sound effects, like the noise of the underground, must also be added separately. Read the sentences on page 55 and complete “Work out the rule”. Modal words（情态动词） We should water the flowers. can(could) / must / should(shall) / may(might) / ought to / will (would) We should water the flowers. not we water the flowers Should Yes, we should. No, we should not/ shouldn't. positive sentence(肯) modal word + do(动词原形) negative sentence(否) modal word + not + do yes/no Q(一般疑问句) modal word + S.(主) + do... 情 be done the passive voice with modal words 1. We should water the flowers. (肯): modal word + be + done (否): modal word + not + be + done 2. He may not carry the basket. should be watered The flowers by us. The basket by him. may not be carried 1. The question can be answered by Tom. yes/no Q: modal verb + S.（主）+ be + done .... Yes, S.+ modal verb. No, S.+ modal verb + not. Can the question be answered by Tom Yes, it can. No, it cannot/ can't. special: Must... 1. No, S. + must + not / mustn't. 2. No, S. + need + not / needn't. 2. Must the light be turned off now Yes, it must. No, it need not/needn't. 1. Must sound effects be added Yes, they must. No, they must not/mustn't. 1. We use must not/mustn't to tell people that it is not allowed to do so. (禁止) 2. We use need not/needn't to tell people that it is not necessary to do so.(不需要) Tips: Rewrite the sentences in the passive form. Alice must complete the task today. We should send the invitation to Mr Li. They cannot solve the problem. The task must be completed by Alice today. The invitation should be sent to Mr Li. The problem cannot be solved by them. Complete the article below with the correct forms of the given words. When we draw a cartoon face, some parts of the face _____ (should/make) bigger to make the face look funny. So let's start to draw a cartoon face for the woman! should be made A rough circle _____ (should/draw) first. Then a nose and big glasses_____ (should/add). Next ,a pair of small eyes and a smiling mouth _____ (must/draw). The mouth _____ (can/make) larger to make the woman look friendlier. Finally, some ha ... ...
