小学英语语法时态讲解与归纳—一般现在时
一、一般现在时：
1.表示事物或人物的特征、状态。如：The sky is blue.天空是蓝色的。 2.表示经常性或习惯性的动作。如：I get up at six every day.我每天六点起床。 3.表示客观现实。如：The earth goes around the sun.地球绕着太阳转。
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 ? 3、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 plays stays (4) 不规则变化常见的：have----has
四．时间标志：always , usually , often , sometimes ,every…
一般现在时练习题（１）
一、 写出下列动词的第三人称单数
drink ________ go _______ stay ________ make ________ look _________ have_______ pass_______ carry ____ come________ watch______ plant_______ fly ________ study_______ brush________ do_________ teach______ 二.用下列单词的适当形式填空
1.We often___________(play) in the playground. 2.He _________(get) 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, she __________(watch) TV with her parents. 8.________ Mike________(read) English every day?
9.How many lessons_________your classmates________(have) on Monday? 10.What time_________his mother_________(do) the housework? 三.改句子
1.Do you often play football after school? (改为肯定句)
2.I have some 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: