Unit2Heroeslesson6HistoryMakersPresentPerfectPastSimple课件(北师大版必修1).ppt

Unit2Heroeslesson6HistoryMakersPresentPerfectPastSimple课件(北师大版必修1).ppt

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必修1 Unit 2 Heroes Since then, she has won Wimbledon and the US Open twice. 2. Has tennis ever caused problems between the sisters? 3. The sisters’ father, Richard, started to train Venus and Serena when they were young children. 4. The first time Venus played in a big event was in 1996. has won Has caused started played Since then, she ________ (win) Wimbledon and the US Open twice. 2. _____ tennis ever ______ (cuase) problems between the sisters? 3. The sisters’ father, Richard, ______(start) to train Venus and Serena when they were young children. 4. The first time Venus ______(play) in a big event was in 1996. Fill in the blanks. Has caused has won started played 用括号内所给动词的正确形式填空。 1. Mr. Brother is an actor. He ___________ (appear) in several films so far. 2. Sales of CDs have greatly increased since the early 1990s, when people _______ (begin) to enjoy the advantages of this new technology. 3. —Do you know our town? —No, this is the first time I _________ (be) here. has appeared began have been 4. We ___________ (not meet) our new neighbors yet, so we don’t know their names. 5. — Have you been to Australia? —Yes. I ________ (be) there three times. And I _______ (go) there with my uncle for the first time. 6. My friend, who __________ (serve) on the International Olympic Committee all his life, is retiring next month. haven’t met have been went has served Past Simple: to talk about finished actions or past situations and habits. He always phoned on Friday. She climbed the stairs and went to her room. always phoned climbed went Present Perfect: to talk about past events and activities with results or consequences in the present:发生在过去但对现在有影响的动作 I’ve lost my keys. (I can’t open the door.)(我现在不能开门。) a single or repeated action in the past, often with time adverbials such as often, sometimes, when we don’t know or are not interested in exactly when they happened. I’ve walked across the Amazon jungle. (我何时做的此事无关紧要) 现在完成时及其时间状语

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