(
课件网) Sarah 现在进行时 We are playing football on the playground. My mother is cooking in the kitchen while I’m doing my homework. Be+doing 现在进行时 Present Continuous 定义：表示现在正在进行的动作 时间状语：now, at the moment, Look! Listen! 动词变化：be+现在分词 现在分词变化规则：直去双改 playing singing understanding 1 一般动词，直接+ing noticing dancing believing 2 以e结尾的动词，去e+ing 现在分词变化规则：直去双改 swimming hopping beginning 3 重读闭音节 双写最后的辅音字母+ing lying dying 2 以ie结尾的动词，改ie为y+ing 辅音+元音+辅音，且重读在本音节，称为重读闭音节 be’gin, stop, swim, hop Practice make- say- clean- die- come- take- write- sit buy- cut- play- leave- answer- get- 应用be+doing 用动词的正确形式填空 1 Look! The children_____(play) football on the playground. 2 _____the old man_____(watch) TV now 3 He_____(write) a letter now. 4 Listen! Who_____(sing) in the next room 5 John and I_____(be)singing, not dancing. 6 Hey! What____you_____(do) over there 7 My dad_____(be) reading a newspaper in his armchair. 用动词的正确形式填空 8 We are_____(run) to buy some tickets. 9 Jane is_____(sit) together with me. 10 I____(be) fishing by the river. 11 Sorry, I can’t help you, because I____(do) my homework. 12 -____you____(fly) a kite -Yes, I am. 13 Class is_____(begin). Please sit down. 综合练习 1 My mother____in the kitchen now. A is cooking B cooking C am cooking 2 _____Jim_____the dishes now A Is doing; B Does, do C Is, do 3 Kate and Rose_____the window. A cleans B is cleaning C are cleaning 4 Look! The bus_____. A /,doing B are, doing C do, do 5 Look! The bus_____. A is coming B comes C are coming 6 The boys_____football. They are having a party. A are playing B aren’t playing C don’t play 7 ____your sister and you doing exercise A Is B Are C Do 8 -What is she doing -She_____. A is laughing B laughing C laughs 9 Listen! Helen and Lucy_____with each other. A talking B is talking C are talking 10 What___she_____now A is doing B does, do C does,doing She is jumping ropes on the playground. 变否定句 She isn’t jumping ropes on the playground. 变一般疑问句 Is she jumping ropes on the playground. Yes, she is. /No, she isn’t. 否定句否定be 疑问句be提前 练习 1 She is reading a book.(变为一般疑问句) ____she_____a book 2 I am doing morning exercises. （变为否定句） I_____ _____ _____morning exercises. 3 Lucy and I are making a puppet now.（对划线部分提问） ___ ____ Lucy and Lily____now 4 They watch TV every night. (用now改写句子) They___ _____TV now. 练习 5 Are you waiting for the bus （做肯定回答） Yes, _____ _____. 6 He is eating noodles. (就划线部分提问) ____ _____he_____ 7 Lingling is sitting under the tree.(变否定句) Lingling____sitting under the tree. 8 Wanghai is playing the guitar now.(变一般疑问句，并做否定回答) ___Wanghai_____the guitar now No, he____. Have a nice day! ... ...
