小学英语-一般现在时态语法讲解 全国通用
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小学英语一般现在时态语法讲解
一、概念
1．表示经常性或习惯性的动作，常与表示频度的时间状语连用。如：al ways, usually, often, sometimes, seldom （很少）, never（决不）, every day, at 8:30, on Sunday,in the morning等。
如：I always get up at 6:00 in the morning.
2．表示现在时刻的状态、能力、性格、个性。
如：She loves English very much. My sister can play the piano very well.
3．表示客观的事实。如：The sun rises in the east. 太阳从东方升起。
4．格言或警句。如：Pride goes before a fall. 骄者必败。
二、句子结构
1．如果句子主语的人称是I, we, you, they或复数名词时，动词用动词原形。
如：We often go home by bus.
2．如果句子的主语是第三人称单数，即：he, she, it 或单数名词时，动词要用第三人称的单数形式。
如：He often goes home by bus
三、动词的第三人称单数构成规则
1．一般情况下在动词的后面直接加“s”；如：work→works play→plays? rain→rains see→sees visit→visits 2．以o, x,s,sh, ch结尾的动词，在后面加“es”；如：do→does fix→fixes guess→guesses wash→washes teach→teaches
3．以辅音字母加y结尾的动词，先把“y”改为“i”, 再加“es”；如：fly→flies study→studies carry→carries 4．不规则变化。如：have→has do →does
四、注意
在一般现在时的句子中，如果前面使用了助动词does, doesn’t, will, won’t, can, can’t, would, wouldn’t, must, mustn’t 等，尽管主语是第三人称单数，后面的动词用动词原形。
如：He doesn’t want to go shopping. He can sing the song.
五、一般现在时的一般疑问句
一般现在时的一般疑问句是把助动词do, 或does 放在句首来引导。
1、如果句子的主语是I, we, you, they或复数名词时，用do来引导，其余句子的位置不变。肯定回答：Yes,
I/we/they do. 否定回答：No, I/we/they don’t.
如：They go to school by bus every day.
→Do they go to school by bus every day?
→Yes, they do.（肯定回答）→No, they don’t.（否定回
答）
2、如果句子的主语是he, she, it 或单数名词时，用does 来引导，其余句子的位置不变，但是要把原来句子中的动词第三人称单数形式，改为动词原形。
肯定回答：Yes, he/she/it does.
否定回答：No, he/she/it doesn’t.
如：He often goes to school by bike. →Does he often go to school by bike?
→Yes, he does. （肯定回答）
→No, he doesn’t. （否定回答）
六、一般现在时的否定句
1．如果句子的主语是I, we, you, they或复数名词时，则在主语的后面加don’t。
如：We always go to school on foot. →We don’t always go to school on foot.
2．如果句子的主语是he, she, it或单数名词时，则在主语的后面加doesn’t 。但是要把原来句子中的动词第三人称单数形式，改为动词原形。
如：He often goes to school by bike. →He doesn’t often go to school by bike.
七、一般现在时态练习题
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_______
wash_______
二、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