小学英语语法时态讲解与归纳一般现在时
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小学英语语法时态讲解与归纳—一般现在时
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, I'm 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:We often play basketball after school.
否定句:主语+ don't+动词原形(+其它)。如:we don’t 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 don't.
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 ?
2、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:He swims well.
否定句:主语+ doesn’t+动词原形(+其它)。如:He doesn’t 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 doesn't.
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, 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: study→studies fly→flies
carry→carries
cry→cries
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(1)
I.用下列单词的适当形式填空
1.We often___________(play) in the playground.
2.He _________(g et) up at six o’clock.
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?
9.How many lessons_________your classmates________(have) on Monday?
10.What time_________his mother_________(do) the housework?
II.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 Shan’s 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 day.(改为一般疑问句)
6.We have four lessons.(改为否定句)
7.Nancy doesn’t run fast (改为肯定句)
8.My 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:
一般现在时练习题(2)