下面是小编整理的小升初英语语法大全与必背知识点,希望大家喜欢。
小升初英语语法大全与必背知识点
一.名词:名词单复数名词的格
(一)名词单复数
1.一般情况直接加-s如:book-books bag-bags cat-cats bed-beds
2.以s._.sh.ch结尾加-es如:bus-buses bo_-bo_es 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-ChineseJapanese-Japanese
不可数名词的复数就是原型:paper juice water milk rice tea
(二)名词的格
(1)有生命的东西的名词所有格:
a)单数后加s如:Lucys ruler my fathers shirt
b)以s结尾的复数名词后加如:his friends bags
c)不以s结尾的复数后加s childrens shoes
并列名词中如果把s加在最后一个名词后表示共有如:
Tom and Mikes car汤姆和迈克共有的小汽车
要表示所有物不是共有的应分别在并列名词后加s
Toms and Mikes cars汤姆和麦克各自的小汽车
(2)表示无生命东西的名词通常用of+名词来表示所有关系:如:
a picture of the classroom a map of China
二.冠词:不定冠词定冠词种类:
(1)不定冠词:a/an a unit/an uncle
元音开头的可数名词前用an:
an egg/an apple/an orange/an eraser/an answer/an ID card/an alarm clock/an actor/an actress/
an e-mail/an address/an event/an e_le/an opera/an houran old man/an interesting book/an
e_citing sport/an action movie/an art lesson/
(2)定冠词:the the egg the plane
2.用法:
定冠词的用法:
(1)特指某(些)人或某(些)物:The ruler is on the desk.
(2)复述上文提到的人或物:He has a sweater.The sweater is new.
(3)谈话双方都知道的人或物:The boys arent at school.
(4)在序数词前:Johns birthday is February the second.
(5)用于固定词组中:in the morning/afternoon/evening
不用冠词的情况:
(1)专有名词前:China is a big country.
(2)名词前有定语:this that my your some any no等: