一般现在时和现在完成时讲解练习答案

1、般现在时 一、概念 表示现在经常发生的动作、存在的状态或习惯性的动作。 二、动词词型变化形式 第三人称有词形变化，其他人称动词均用原形 单数第三人称动词变化： a. 多数在动词后加 splay plays likelikes , b. 以s，x，sh，ch结尾的动词加es miss-misses, fix-fixes, wash-washes, watch-watches c. 以辅音字母 +o 结尾的动词力卩esgogoesdodoes d. 以辅音字母加y结尾，把y改i再加es flyflies study-studies 三、一般现在时的句型 1. 肯定句构成：主语+动词(注意人称变化)

2、+其它成分 I have a dog. We like the little cat. She sings well. 2. 否定句构成： 行为动词的否定句：主语+助动词(do/does) + not +动词原形+其它成分 He dosen t have a dog. He isn t young. We don t like the little cat. (借助于助动词 do) She doesn t sing well.借助于助动词 does) 3. 一般疑问句： A. 行为动词的一般疑问句：助动词(do/does)+主语+动词原形+其它成分 Do you like it? Yes, I

3、 do. / No. I don t . Does he(she) like it? Yes, he( she )does. / No, he ( she )doesn t. B. 动词be的一般疑问句Am / Is /Are +主语+其它成分 Are you a teacher? Yes, I am. / No, I am not. Are they stude nts of your school.Yes they are / No they aren. 4. 特殊疑问句：特殊疑问词+ 一般疑问句 How many stude nts are there in your school? W

4、hat do you usually do on Sun day? 四一般现在时的用法 1. 经常性或习惯性的动作，常与表示频度的时间状语连用。女口： every year, sometimes, at 5 o clock, on Sun day. I get up at six o clock every day. He gets up at six o clock every day. She smokes too much. I teleph one to my pare nts once a week. 2. 表达客观真理，科学事实。如果出现在宾语从句中，即使主句是过去时，从句 谓语也

5、要用一般现在时。 Three and four makes seve n. The teacher told us that the earth moves around the sun. She nyang lies in the n orth of China. 3. 在格言或名言警句中。 Pride goes before a fall. 骄必败。 Acti ons speak louder tha n words. 事实用于雄辩。 4. 表示现在的状态、性格、个性。 I don t want more, thanks. He is a good stude nt. He is alwa

6、ys ready to help others. 五.一般现在时其它用法 一般现在时表将来 1. 含有 go, come, retur n, arrive, leave, start, beg in等动词的一般现在时表将来。 表示在时间上已确定或安排好的事情。 The school bus leaves at eight . 2. 在时间或条件句中。 When Tom comes, ask him how to fix the tap. I ll helpou as soon as I arrive there. 3. 在动词 hope, take care that, make sure t

7、hat 等后。 练习 一. 用词的适当形式填空。 1. What timehis father(do) the work? 2. He(get) up at five o clock. 3. you(brush) your teeth every morni ng. 4. What( do ) he usually( do ) after school? 5. Tom( study ) En glish, Chin ese, Maths, Science and Art at school. 6. Kitty sometimes(go) to the park with his sister.

8、 7. At eight at ni ght, she( watch ) TV with her pare nts. 8. Mike( read ) En glish every day? 9. How many lessonsyour classmates( have ) on Mon day? 10. We often( play ) football in the playgro und. 二. 选择 ()1.you have a book? A. Do B. Are C. Is D. Have ()2. Theyon a farm. A. worki ng B. is work C.

9、work D. is worked ()3. Does Peter like to watch TV? A. Yes, he like B. No, he doesn t. Yes, he d likeD. No, he likes ()4. She does n ther homework in the after noon. A. doing B. to do C. does D. do ()5. HowMr. Brow nto America? A. do,go B. is,go C. does,go D. does,goes ()6. Where s my camera? Iit. A

10、. am not finding B. am not seeing C. can t find D. can t look at ()7. Howhe go to work? Heto work by bike. A. does ;go B. do;goes C. do ;go D. does;goes ()8.you usually late for school? No,. A. Do ; I am B. Does ;not C. Are ; I m nD. Are ; I aren t ()9.shehome at six every day? A. Is , leave B. Does

11、 , leave C. Is , leaves D. Does , left ()10. Mr. Ya ngEn glish this term. A. teaches our B. teaches us C. teachs us D. teach our 答案：一 .1.does, do 2. gets 3. Do, brush 4. does, do 5. studies 6. goes 7. watches 8. Does, read 9. do, have 10. play 二.1-5 A C B D C 6-10 C D C B B 现在进行时 定义： 现在进行时的定义：现在进行时表

12、示现在或当前一段时间正在进行的动作。可以 表示有计划的未来，也就是用现在进行时表示将来。 构成： 现在进行时的构成是：主语+be+v.ing 现在分词形式 肯定句：主语+be ( is/am/are)+现在分词 否定句：主语+be ( is/am/are)+not+现在分词 一般疑问句:be (is/am/are) +主语+现在分词 特殊疑问句：特殊疑问词+相应be动词+主语+现在分词+sth 变化规则： 1. 直接 + ing( 例: sleep+ing sleeping) 2. 以不发音的e结尾的去掉e,再+ing(例：bite-e+ing biting) 3. 重读闭音节，且末尾只有1个

13、辅音字母，双写辅音字母+ing (例：sit+t+ing sitt ing 另 cut - cutt ing beg in -begi nning ) 4. 特殊变化：die-dying,lie-lying ，tie-tying 5. 不规则变化 时间状语： 可用来表示现在进行时的时间状语，常用的有：now, this week, at this moment等；或者告诉你一个准确的现在时间，或者用 look, listen提醒听者注 意正在发生的事。 例如： Liste n! She is singing an En glish song. 听，她正在唱英语歌。 Look at the pi

14、cture. The childre n are flying kites in the park.看这幅图。那 些孩子正在公园放风筝。 用法： 1 最基本的用法是表示此刻正在进行或发生的动作，通常和时间状语now、 at the moment 等连用。 They are visit ing the fire stati on now.他们现在正参观消防站。 2. 表示现阶段正在进行但此刻不一定在进行的动作，它通常和时间状语now、 these days 等连用。 They are worki ng in this factory these days. 这几天他们在这个工厂工作。 3 .表示

15、最近的确定或安排时。 He is taki ng me to the theatre this eve ning.今晚他要带我到电影院。 4 .某些表示位置转移的动词如 go、leave、start、come等它们的现在进行 时表示将来。 He is leavi ng for the Great Wall tomorrow. 明天他要动身去长城。 练习 用现在进行时完成下列句子： 1.Whatyou(do)? 2.1(sing) an En glish song. 3. Whathe(men d)? 4. He(mend) a car. 5. you(fly) a kite?Yes,. 6.

16、she(sit) in the boat? 7. you(ask) questi ons? 8. We(play) games now 选择填空。 1. Some arein the river and some aregames. A. swi mi ng, playi ngB. swimmi ng, plaii ng C. swimmi ng, playi ngD. swimmi ng, plai ng 2. Look! The boy stude nts arefootball while the girls are. A. play ing, danceB. play ing, dancing B. C. play, dancingD. play, dance 3. Mr. Smithshort stories, but hea TV play these days. A. is writ in g, is writ ingB. is writi ng, writes C. writes, is writi ngD. writes, writes 4. Ito the cin ema. Ithere every Sun day. A. go. goB. am going, go C. go. am goin