现在分词的构成以及现在进行时-1.ppt

七年级英语下册 Unit 5 I’m watching TV * * 刘桂华 Uint 5 What are you doing? I’m watching TV. 句型： What’re they doing? They are…. What is he/she doing? He/She is…. What’s he doing? He’s ... What’s=What is He’s=He is doing homework do→doing What’s she doing? She is… What’s=What is talking on the phone talk→talking What’re they doing? They’re… What’re=What are They’re=They are Cleaning clean→cleaning What’s he doing? He is … What’s=What is running run→running What’s he doing? He’s… What’s=What is He’s=He is swimming swim→swimming What is she doing? She is… skate→skating What is he doing? He is… smile→smiling Is he…? Yes,he is/No,he isn’t. isn’t=is not playing baskateball play→playing Is he…? Yes,he is./No, he isn’t isn’t=is not dancing dance→dancing watching TV doing homework talking on the phone cleaning playing basketball reading drawing listening singing speaking run→running swim→swimming smile→smiling skate→skating dance→dancing write→writing 动词-ing形式的构成 Seeing,agreeing See，agree 以oe,ee,ye结尾的动词，直接加ing Dying, tying Die， tie 少数以ie为结尾的动词，先变ie为y,再加ing Running,swimming, putting Run, swim, put 以重读闭音节结尾，末尾只有一个辅音字母的动词，要双写辅音字母再加ing Dancing, using,writing Dance, use,write 以不发音的e为结尾的动词去掉e再加ing Buying, finding,watching Buy,play, watch 一般情况直接加-ing 现在分词 动词原形 规则 现在分词的构成原则 Consolidation Fill in the blank. 1.Look! They _______(play) baskateball over there! 2.Listen！Who _______(sing) in the room? 3.It’s 6 pm. The Greens__________(have) breakfast. 4.What__you ___(do)now? ----I _____（do）my homework. 5.Is Marry____(write)a letter now? ----Yes, she is. is playing is singing are having are doing am doing writing