there is/are(There is a book in the bag.)

五.Some与any的区别:

some用于肯定句中,any用于否定句和疑问句中.

如:I have some books.I don’t have any books.Do you have any books?

六.a与an的区别

一般来讲,元音字母(即a,e,i,o,u)开头的单词用an

如:an apple an ear an American girl an Australian stamp an old man

七.There be句型(即there is/there are)

意思:表示某地方有某人或某物原则:就近原则(There be句型中的be动词用is还是用are

由最靠近它的第一个名词是单数还是复数决定.)

如:There is a book and some pens on the desk.There are some pens and a

book on the desk.

八.不可数名词:

juice chalk tissue(不可数名词没有复数形式)

There is some chalk.There is some juice.There is some tissue.

九.’s所有格:

表示:某人或某动物的

the girl’s name那个女孩的名字the teacher’s desk讲台

the headmaster’s office校长的办公室the children’s toys儿孩子们的玩具

the teachers’room教师办公室(当名词的复数形式是以〝s〞结尾时,直接加’)

十.be动词:

is are am(表示〝是〞)

I用am,you用are,is连着he,she,it.单数名词用is,复数名词全用are.如:I am….You

are….We are….They are…..He is…..She is…..It is….The girl is….The boys

are….Ben is….Janet and Ben are…

三年级下册英语语法总结4

Unit 1

boy男孩girl女孩teacher教师student学生this这个my我的friend朋友I’m=I am我是nice好的、愉快的good morning早上好good afternoon下午好meet遇见、碰见too也、太goodbye再见

Unit 2

father(dad)父亲、爸爸mother(mom)母亲、妈妈man男人woman女人Grandmother(grandma)祖母grandfather(grandpa)祖父sister姐妹brother兄弟let’s=let us让我们great太好了really真地、确切地and和、并且how多么、怎么样

Unit 3

eleven十一twelve十二thirteen十三fourteen十四fifteen十五sixteen十六seventeen十七eighteen十八nineteen十九twenty二十how many多少

can能够、可以look at看、瞧

Unit 4

peach桃pear梨orange橙子watermelon西瓜apple苹果banana香蕉strawberry草莓grape葡萄like喜欢some一些、某些thanks多谢

Unit 5

bus公共汽车bike自行车taxi出租车jeep吉普车desk课桌

chair椅子walkman随身听lamp台灯your你的、你们的zoo动物园

Unit 6

small小的big大的long长的short短的、矮的tall高的giraffe长颈鹿deer鹿