1、1.1.进行时的肯定句进行时的肯定句 进行时的构成是：主语+be 动词+现在分词. 1) 现在进行时现在进行时 I am watching TV now. 我正在看电视。 句型：主语+be(am，is，are)+现在分词. 主语be 动词 现在分词 第一人称单数 Iam V.+(动词)ing 第三人称单数 He, She,Itis 第二人称单数 You are 所有人称的复数 You,We,They Look！Nancy is doing her homework 看！南希正在做作业。 They are cleaning their classroom. 他们正在打扫他们的教室。 2) 过去进
2、行时过去进行时 He was walking in the park at that time yesterday 昨天那个时候，他正在公园散步。 句型：主语+be(was，were)+现在分词. 主语be 动词 现在分词 第一人称单数 I was V.(动词)+ ing 第三人称单数 He,She,It 第二人称单数 You were 所有人称的复数 You , We , They I was watching TV then. 那时，我正在看电视。 When I came home， they were cooking in the kitchen. 当我进家时，他们正在厨房里做饭。 进行
3、时的肯定句进行时的肯定句 练习题练习题 ()1. Does Mr Know-all know _ keys? A.to make B. how to make C. how make D. making 【答案】B 【解析】句意：无所不知先生知道怎样制作钥匙吗？怎样制作 how to make， 选 B ()2. Does your mother _ English now? A. teaches B. teach C. taught D. is teaching 【答案】B 【解析】句意：你妈妈现在教英语吗？一般现在时用 teach ()3. Jack usually _ mistakes
4、last term. But this term he does better. A. makes B. made C. does D. did 【答案】B 【解析】句意：Jack 上学期经常犯错误。但是这学期好多了。要用过去时 made ()4. The boy is too young, please _ carefully. A. look after him B. look him after C. look at him D. look him at 【答案】A 【解析】句意：这个男孩太小了，请小心照看他。只有 A 符合 ()5. She _ you to come to my bi
5、rthday party. A. hopes B. wishes C. want D. lets 【答案】B 【解析】wishes 四个都有希望的意思,但是这个还表示一种请求.更加真诚. ()6. -Where is Frank now? - He _ his bike in the yard. A. fixes up B. fixing up C. is fixing up D. fixed 【答案】C 【解析】正在进行时.句意：他正在院子里修他的自行车. ()7. Bob often _ his mother with the housework on Sundays. A. help B
6、. helping C. helps D. helped 【答案】C 【解析】第三人称单数 ()8. The students will go to the Summer Palace if it _ tomorrow. A. dont rain B. doesnt rain C. wont rain D. isnt rain 【答案】B 【解析】主将从现原则(主句用将来时,从句用一般现在时),然后 it 作主语用 第三人称单数 doesnt ()9. If it _ tomorrow, I will go by car. A. rain B. will rain C. rains D. would rain 【答案】C 【解析】如果明天下雨,我将开车去那里.if 引导的条件状语从句,如果动作都 没有发生(tomorrow)的话,则严格按照“主将从现”原则,即从句使用一般现在时,而 主句使用一般将来时. ()10. -What a nice garden! -She _ it every day. A. is cleaning B. has cleaned C. cleans D. clean 【答案】C 【解析】后面有 everyday 说明是一个经常做的过程,而 B 选项是完成时，表 示已经被到扫了,C 选项是第三人称单数，符合时态。
