学习英语最重要的就是要做到积累词汇和掌握语法，语法是学习英语的一大障碍。很多同学在学习语法的时候总是不过关，但这也是学习英语最为重要的地方。英语的学习在于长期的积累和运用，下面，沪江小编给大家整理了关于语法的知识点和相关练习，大家可以相互试做一些。
一、名词复数规则
1.一般情况下，直接加-s，如：book-books,bag-bags, cat-cats, bed-beds
2.以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, brush-brushes, watch-watches
3.以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families, strawberry-strawberries
4.以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives
5.不规则名词复数：
man-men, woman-women, policeman-policemen, policewoman-policewomen,mouse-mice, child-children, foot-feet, tooth-teeth,
fish-fish, people-people, Chinese-Chinese, Japanese-Japanese
练习：写出下列各词的复数
I _________him _________this ___________her ______
watch _______child _______photo ________diary ______
day________ foot________ book_______ dress ________
tooth_______ sheep ______box_______ strawberry _____
thief _______yo-yo ______ peach______ sandwich ______
man______ woman_______ paper_______ juice___________
water________ milk________ rice__________ tea__________
二、一般现在时
一般现在时的功能
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。
一般现在时的构成
1. be动词：主语+be(am,is,are)+其它。如：I am a boy.我是一个男孩。
2.行为动词：主语+行为动词(+其它)。如：We study English.我们学习英语。
当主语为第三人称单数(he, she,it)时，要在动词后加"-s"或"-es"。如：
Mary likes Chinese.玛丽喜欢汉语。
提示词：sometimes有时 often经常usually 通常 always总是 every day 每天
单复数区分：I You We They Mike and Sarah The elephants +动词原形
He She It Mike The elephant +动词 s es
一般现在时的变化
1. be动词的变化。
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。
否定句：主语+ don't( doesn't ) +动词原形(+其它)。如：I don't like bread.
当主语为第三人称单数时，要用doesn't构成否定句。如：He doesn't often play.
一般疑问句：Do( Does ) +主语+动词原形+其它。如：
- Do you often play football? -Yes, I do. / No, I don't.
当主语为第三人称单数时，要用does构成一般疑问句。如：
- Does she go to work by bike? -Yes, she does. / No, she doesn't.
特殊疑问句：疑问词+一般疑问句。如：How does your father go to work?
动词+s的变化规则
1.一般情况下，直接加-s，如：cook-cooks,milk-milks
2.以s. x. sh. ch. o结尾，加-es，如：do—does, go-goes, guess-guesses, wash-washes, watch-watches, catch—catches
3.以“辅音字母+y”结尾，变y为i, 再加-es，如：study-studies fly—flies
以元音加y结尾的，直接加s，如： play—plays
4. have—has
一般现在时用法专练:
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’sSaturday.
三、现在进行时
1.现在进行时表示现在正在进行或发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作。
2.现在进行时的肯定句基本结构为be+动词ing.
3.现在进行时的否定句在be后加not。
4.现在进行时的一般疑问句把be动词调到句首。
5.现在进行时的特殊疑问的基本结构为：疑问词+ be + 主语 + 动词ing?
但疑问词当主语时其结构为：疑问词+ be + 动词ing?
提示词：now现在
am is are 固定搭配：
I am You are He is She is We are They are It is Mike is
Mike and Sarah are The elephant is The elephants are
动词加ing的变化规则
1.一般情况下，直接加ing，如：cook-cooking
2.以不发音的e结尾，去e加ing，如：make—making use—using take—taking have—having ride—riding dive—diving write—writing dance—dancing taste-tasting
3.如果末尾是一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如： stop-stopping get—getting set—setting run—running
swim—swimming put—putting
现在进行时专项练习：
①、写出下列动词的现在分词：
play________ run__________ swim _________make__________go_________like________ write________ _ski___________ read________ have_________sing ________ dance_________put_________ see________ buy _________love____________ live_______ take_________ come ________ get_________stop_________ sit ________ begin________ shop___________give __________fly_________ plant _________ask ________ smoke ______
②、用所给的动词的正确形式填空：
1.The boy __________________ ( draw)a picture now.
2. Listen .Some girls _______________ (sing) in the classroom.
3. My mother _________________ (cook) some nice food now.
4. What _____ you ______ ( do ) now?
5. Look. They _______________( have) an English lesson .
6.They ____________(not ,water) the flowers now.
7.Look! the girls ________________(dance )in the classroom .
8.What is our granddaughter doing? She _________(listen ) to music.
9. It’s 5 o’clock now. We _____________(have)supper now
10.______Helen____________(wash )clothes? Yes, she is.
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