1、一般现在式讲解及练习一. 意义:表示经常发生的事情,动作或存在的状态二. 构成及变化1.be 动词的变化。肯定句:主语+be(am,is,are)+其它。如: I am a boy.我是一个男孩。否定句:主语+ be + not +其它。如:He is not a worker.他不是工人。一般疑问句:Be +主语+其它。如:-Are you a student? -Yes. I am. / No, Im not.特殊疑问句:疑问词+一般疑问句。如:Where is my bike?2. 行为动词的变化。l、当主语为第一,二人称及复数时,助动词为 do肯定句:主语+动词原形(+其它)。如: W
2、e often play basketball after school.否定句:主语+ dont+动词原形(+其它)。如:we dont play basketball after school.一般疑问句:Do +主语+动词原形+其它?如: Do you often play basketball after school l? Yes, we do. / No, we dont.特殊疑问句:疑问词+以 do 开头的一般疑问句?如: What do you often do after school ?、当主语为第三人称单数时 ,助动词为 does肯定句:主语+动词三单式(+其它)。如:
3、He swims well.否定句:主语+ doesnt+动词原形(+其它)。如:He doesnt swim well一般疑问句:Does +主语+动词原形+其它。如:Does he swim well ? Yes, he does. / No, he doesnt.特殊疑问句:疑问词+以 does 开头的一般疑问句?如: How does your father go to work?三第三人称单数的动词变化规则(只有在第三人称为主语的肯定句中,动词才用三单式)(1)多数动词直接加 s:runs gets likes collets takes plays climbs.(2)结尾是 s,
4、 x, sh, ch, o,前为辅音字母,结尾加 es : watches teaches goes does washes crosses mixes brushes(3)动词末尾 y 前为辅音:将 y 改为 i 加 es: studystudies flyfliescarrycarries crycries但在 y 前如果为元音则直接加 s: buys says四时间标志:always , usually , often , sometimes ,every一般现在时练习题一、写出下列单词的第三人称单数形式。ask- meet- teach- sit- kick- look- listen
5、- eat- put- knock- open- give- see- pull- show- wash- try- take- wake- shut- count- share- post- play- hide- seek- hold- stand- do- jump- stop- touch-二、写出下列动词的原形。ends- rains- shines- rises- sets- sleeps- gets- goes- stays- arrives- walks- drives- spends- forecasts- fixes- works- travels- cleans-三、单项
6、选择。( ) 1. you have a book?A. Do B. Are C. Is D. Have( ) 2. They on a farm.A. working B. is work C. work D. is worked( ) 3. Does Peter like to watch TV? .A. Yes, he like B. No, he doesnt C. Yes, hed like D. No, he likes( ) 4. She doesnt her homework in the afternoon.A. doing B. to do C. does D. do( )
7、 5. How Mr. Brown to America?A. do, go B. is, go C. does, go D. does, goes( ) 6. Wheres my camera? I it.A. am not finding B. am not seeing C. cant find D. cant look at( ) 7. How he go to work? He to work by bike.A. does, go B. do, goes C. do, go D. does, goes( ) 8. you usually late for school? No, .
8、A. Do, I am B. Does, not C. Are, Im not D. Are, I arent( ) 9. she home at six every day?A. Is, leave B. Does, leave C. Is, leaves D. Does, left( ) 10. Mr. Yang English this term.A. teaches our B. teaches us C. teachs us D. teach our四.用下列单词的适当形式填空1.We often_(play) in the playground.2.He _(get) up at
9、six oclock.3._you _(brush) your teeth every morning?4.What_(do) he usually_(do) after school?5.Danny _(study) English, Chinese, maths, science and Art at school.6.Mike sometimes _(go) to the park with his sister.7.At eight at night, she _(watch) TV with his parents.8._ Mike_(read) English every day?
10、9.How many lessons_your classmates_(have) on Monday?10.What time_his mother_(do) the housework?五.改句子1.Do you often play football after school? (改为肯定句)2.I have many books.(改为否定句)3.Gao Shans sister likes playing table tennis (改为否定句)4.She lives in a small town near New York.(改为一般疑问句)5.I watch TV every
11、day.(改为一般疑问句)6.We have four lessons.(改为否定句)7.Nancy doesnt run fast (改为肯定句)8my dog runs fast 否定句 一般疑问句:9.Mike has two letters for him.一般疑问句:否定句: 10.I usually play football on Friday afternoon.否定句:一般疑问句:划线提问11.Su Yang usually washes some clothes on Saturday.否定句:一般疑问句:划线提问:12.Mingming usually waters the flowers every day.否定句:一般疑问句:13.Tom does his homework at home.否定句:一般疑问句: