一般现在时态，现在进行时态，一般过去时态，一般将来时态讲解及专项练习
一、一般现在时
一般现在时表示经常、反复发生的动作或存在的状态．
一、表示一般现在时的时间状语
一般现在时常和always, often, usually, every day, sometimes 等表示时间的状语连用．
二、行为动词在一般现在时中的用法：一般人称的谓语动词用原形.，但单数第三人称做主语时谓语动词词尾发生变化：即•动词词尾加-s;或.-es,
三、动词遇到单数第三人称时的表示方法
在一般现在时中，当主语是单数第三人称时，行为动词的形式是在词尾加-s或-es 具体方法如下：
1.一般情况下,直接加-s
Eg：works , plays， rains， sees
2.以sh, ch, s, x或o结尾的词后加 -es
Eg：washes， teaches， fixes， does， goes
3.以辅音字母加-y 结尾的,先把‘y' 改成‘i', 再加-es
Eg：studies, flies, carries
四、一般现在时的用法：
1、表示经常、反复发生的动作, 现存的习惯或状态。常与often, always, usually, every day, sometimes, never, once a day, seldom 等时间状语连用。例如：
I am a teacher.
We are Chinese.
She goes to work every day.
He always helps others.
2、表示客观事实或普遍真理。例如：
There are seven days in a week.
The earth goes round the sun.
The sun rises in the east and sets in the west.
The water boils at 100 °C .
Actions speaks louder than words. 行动胜于言辞。（谚语）
3、在连词when, before, if, as soon as, until 等引导的表示将来的行为的状语从句中,常用一般现在时表示将来的动作。例如;
If it is fine tomorrow, we 'llhave a football match.
I'll ring you up before I leave the office.
When I finish my homework, I 'lltell you a story.
4、表示安排或计划好的未来的动作,只限于go, come, leave, start, stay, return, arrive,
begin, be 等动词。例如：
My train leaves at 6:30 this
How long do you stay here
We start at 8 tomorrow morning for Beijing.
5、表示主语的特征、性格、能力等。
Tom studies very hard.
She is always ready to help others.
I major in English.
6、一般现在时还可用在戏剧,电影的剧本解说，体育比赛的解说以及图片的说明等场合。Tom
carries the ball to the left. 汤姆把球带到左方。
The picture shows us how they built the motorway last year. 这张照片给我们展示了他们去年如何建设高速公路。
课堂练习：
1.写出下列动词第三人称单数的变化形式；
be have come go stay teach write take study watch fly play
I •用所给动词的适当形式填空。
1.We often____________ (play) in the playground.
2.He _________ (get) up at six o ' clock.
3.__________ y ou ___________ (brush) your teeth every morning.
4.What (do) he usually (do) after school
5.Danny _____________ (study) English, Chinese, Math, Science and Art an 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 classmate _________ (have) on Monday
10.What time ________ his mother __________ (do) the housework
11.Mike _________ (like) cooking.
12.They ______ (have) the same hobby.
13.My aunt ______ (look) after her baby carefully.
14.You always ___________ (do) your homework well.
15.I _________ (be) ill. I ' m staying in bed.
16.She __________ (go) to school from Monday to Friday.
17.Liu Tao __________ (do) not like PE.
18.The child often ________ (watch) TV in the evening.
19.Su hai and Su Yang __________ (have) eight lessons this term.
20.－What day ___________ (be) it today －It 's Saturday.
21.He often _____ (have) dinner at home.
22.Daniel and Tommy _______ (be) in Class One.
23.We ________ (not watch) TV on Monday.
24.Nick _________ (not go) to the zoo on Sunday.
25.They __________ (like) the World Cup
26.What they often _________ (do) on Saturdays
27.Your parents __________ (read) newspapers every day
28.The girl ______ (teach) us En glish on Sun days.
29.She and I _________ (take) a walk together every evening.
30.There _________ (be) some water in the bottle.
time __________ his father ________ (do) the work
_________ (get) up at five o ' clock.
you __________ (brush) your teeth every morning.
_________ ( do ) he usually _____ ( do ) after school
_________ ( study ) English, Chinese, Maths, Science and Art at school.
