1、一、概念 现在进行时表示说话时正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作 结构：助动词 be ( am / is / are ) +现在分词. 二、 现在分词的构成： 1.大多数动词后可在动词后直接加-ing Eg: carry-carrying,catch-catching,drink-drinking, enjoy-enjoying hurry-hurrying ,do-doing , read-reading , think-thinking 2. 如果动词以-e 结尾,则去掉 -e,再加-ing, 如 come-coming , have-having ,
2、 make-making,ride-riding,write-writing,take-taking,use-using3. 如果动词只有一个元音字母,而其后跟有一个辅音字母时,将此辅音字母双写,再加-ing 如： hit-hitting,let-letting, put-putting,run-running,sit-sitting 4. 如果动词有两个音节,且重音在第二个音节上,则末尾的辅音字母双写, 加-ing,如: forget-forgetting,prefer-preferring,travel-travelling swim-swimming 5. 以 -ic 结尾的动词，应先把
3、 -ic 变为 -ick,再加 -ing,eg: panic/panicking 但lie/lying ,die/dying ,tie/tying 是特殊变化要记住三、句型结构： 1.现在进行时的肯定形式、否定形式、疑问形式及其回答,所有变化都体现在助动词 be ( is / am / are ) 上 1)现在进行时的肯定形式：主语+be(am/ is/are)+doing+其他成分I am singing . They are writing . 2)现在进行时的否定形式:主语+be(am/ is/are)+not +doing+ 其他I am not singing . They aren
4、t writing . 3）一般疑问句及回答：be(am/ is/are)+ 主语+doing+其他成分Am I singing ? Yes ,you are . / No ,you arent . Are they writing ? Yes ,they are . / No ,they arent . 4)特殊疑问句及回答:特殊疑问词+be(am/ is/are)+主语+doing+其他成分What are you doing ? We are playing (要求就提问内容具体回答 ). 2. 缩写形式如下: I am-Im You are-Youre He is-Hes She is
5、-Shes It is-Its We are-Were They are-Theyre 四用法：1.表示现在( 指说话人说话时) 正在发生的事情往往与 now,at the moment,just等副词连用,以示强调 We are waiting for you. What are you doing? Some ones knocking at the door2.正在进行着的动作可视为未完成的动作： Hes talking to his friends in the classroom. 可用 still 一词强调动作的持续性 Hes still talking to his friend
6、s in the classroom. 3. 表示一段时间内重复性的动作,说话时动作未必正在进行 Mr. Black is writing another article. 4.现在进行时可用来表示不会长期发生的动作或情况,或被认为在短期内正在进行的动作或存在的状态 Whats your brother doing these days? Hes studying English at Oxford University.5.现在进行时也可以用来表示当前的动向： People are becoming more and more beautiful these days. 6. 表示渐变的动词
7、有：become,turn,get,grow,run,go,begin等 The leaves are turning brown. Its getting colder and colder. 7.与 always,constantly,forever 等词连用,表示反复发生的动作或持续存在的状态,往往带有说话人的主观色彩 You are always changing your mind. 一.用现在进行时完成下列句子: 1. _you_(fly) a kite? Yes,_. 2. _you_(sit) in the boat? 3. _he_(talk) with me? 4. We_
8、(play) football now.5. What_you_(do)?6. I_(sing) an English song.7. What_he_(mend)? 8. He_(mend) a car. 9. These boys _ (play) tennis on the playground.10. My mother_ (cook) in the kitchen. 11. We cant help you,because we _ (have )classes.12. _ the boy _ (write) his homework? 13. Look! These butterf
9、lies _ (fly) in the sky.14. Listen! The girl _ (sing) in the next room. 15. The naughty boy _ (swim) in the river.二.选择 1. Look. Lucy is_ a new bike today. A. jumping B. running C. riding D takeing 2. The children _ football. A. is playing B. are playing C. play the D. play a 3. They _TV in the eveni
10、ng. They do their homework. A. are watching B. cant watching C. dont watch D. dont watching4. Listen! She_ in the classroom. A. is singing B. sing C .to sing D. is sing5. _are you eating? Im eating _ meat.A. What,some B. Which,any C. Where,not D. What,a 6. Is she _ something? A. eat B. eating C. eat
11、ting D. eats 7 I cant catch up with the fashion,because the clothes style_ all the time. A. has changed B. is changed C. is changing D. changed8. Its six in the afternoon. The Greens_ lunch together. A. has B. are having C. have had D. had had 9. Dont make any noise while the students_ to the class. A. are listening B. listened C. have listened D. had listened10. Jack and Ketty_ in the lake. Lets join them,shall we? A. swim B. have swum C. swam D. are swimming
