一般现在时用法讲解
一、一般现在时的含义：
一般现在时表示通常性、规律性、习惯性的状态或者动作（有时间规律发生的事件）的一种时间状态。
二、一般现在时的用法：
1.表示现在的状态。
My name is Michael . I am twelve .
2.表示客观存在及普遍真理.
Cats eat fish .
The earth goes round the sun.
3.表示经常或习惯性的动作。.
He gets up at six .
4.表示特征或能力。
He likes English a lot .
5.在时间和条件状语从句中代表一般将来时 .
I'll go with you if you are free tomorrow.
We will stay at home if it rains.
三、一般现在时的第三人称单数变化形式：
1.多数在动词后＋s play — plays like — likes
（1）直接在动词词尾加-s.
ask---asks work---works get---gets stay---stays
（2）以字母s, x, ch, sh或o结尾的动词，在词尾直接加-es.
watch---watches wish---wishes fix---fixes
do---does go---goes pass---passes
（3）以“辅音字母加 - y”结尾的动词，要先变y为i再加-es.
try---tries study---studies cry---cries fly---flies
2.不规则变化：
be---- is are have----has
四、一般现在时的第三人称单数的情况：
１、人称代词he, she, it是第三人称单数。如：
He likes watching TV. 他喜欢看电视(口诀：I用am，you用are，is用于她他它，单数名词用is，复数名词都用are).
２、单个人名、地名或称呼作主语，是第三人称单数。如：
Han Mei looks like her mother. 韩梅看起来像她的母亲。
３、单数可数名词或"this / that / the+单数可数名词"作主语时，是第三人称单数。如：
A horse is a useful animal. 马是有用的动物。
This book is yours. 这本书是你的。
４、不定代词someone, somebody, nobody, everything, something等及指示代词this, that作主语时，是第三人称单数。如：
Everyone is here. 大家到齐了。
There is something wrong with the watch. 这块手表有毛病。
５、不可数名词作主语时为第三人称单数。如：
The milk is in the glass. 牛奶在玻璃杯里。
６、当数字或字母作主语时，看作第三人称单数。如：
"6" is a lucky number. "6"是个吉利数字。
五、一般现在时的句子转换：
（1）当句子中有be动词或情态动词时，则把be动词或情态动词提到主语的前面变成疑问句;在be动词或情态动词后面加not变成否定句.
①陈述句：She is a student.
疑问句→ Is she a student?
否定句→ She is not a student.
②陈述句：I can swim.
疑问句→ Can you swim
否定句→ I can not swim.
（2） 当句子中即没有be动词，也没有情态动词时，则在主语前加助动词do (you,以及复数), does（单数she,he,it）变成问句；在主语后谓语动词前加助动词don’t（I,you,以及复数), doesn’t（单数she,he,it）变成否定句，助动词后的动词要变成动词原形。
①陈述句：We get up at 7:00 every morning.
疑问句→Do you get up at 7:00 every morning?
否定句→We don’t get up at 7:00 every morning.
②陈述句：She has a little brother.
疑问句→ Does she have a little brother?
否定句→ She doesn’t have a little brother.
一般现在时标志词: always, often, usually, sometimes, every day, once a year
六、一般现在时的练习题：
用括号内动词的适当形式填空。
1. He often ________(have) dinner at home.
2. Daniel and Tommy _______(be) in Class One.
3. We _______(not watch) TV on Monday.
4. Nick _______(not go) to the zoo on Sunday.
5. ______ they ________(like) the World Cup?
6. What _______they often _______(do) on Saturdays?
7. _______ your parents _______(read) newspapers every day?
8. The girl _______(teach) us English on Sundays.
9. She and I ________(take) a walk together every evening.
10. There ________(be) some water in the bottle.
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.
按照要求改写句子
1. Daniel watches TV every evening.(改为否定句)
2. I do my homework every day.(改为一般疑问句，作否定回答)
3. She likes milk.(改为一般疑问句，作肯定回答)
4. Amy likes playing computer games.(改为一般疑问句，作否定回答)
5. We go to school every morning.(改为否定句)
6. He speaks English very well.(改为否定句)
7. I like taking photos in the park.(对划线部分提问)
8. John comes from Canada.(对划线部分提问)
9. She is always a good student.(改为一般疑问句，作否定回答)
10. Simon and Daniel like going skating.(改为否定句)
答案：１.has 2.are 3.don’t watch 4.doesn’t go 5.Do,like 6.do,do 7.Do,read 8.teaches 9.take 10.is 11.likes 12.have 13.looks 14.do 15.am 16.goes 17.doesn’t 18.watches 19.have 20.is
1. Daniel doesn’t watch TV every evening.
2.Do you do your homework every day? No,I don’t.
3.Does she like milk? Yes,she does.
4. Does Amy like playing computer games? No, he doesn’t.
5. We don’t go to school every morning.
6. He doesn’t speak English very well.
7. Where do you like taking photos ?
8. Where does John come from?
9. Is she always a good student? No,she isn’t.
10.Simon and Daniel don’t like going skating.
