陕旅版三年级英语下册知识点复习
一词类复习
（一）名词
1 名词分类
1）可数名词（1）一般情况下+s.如：apple----apples.monkey---monkeys.
可数名词变复数（2）以辅音字母+结尾的单词变y为i,+es. 如：candy---candies （3）以s,x,ch,sh结尾的单词+es. 如box---boxes.dress---dresses (4) 不规则变化如：foot----feet.
2)不可数名词.如：water milk bread tea grass
注意：不可数名词作主语，谓语用单数。如Grass is green.
2 本册书的名词
1）身体部位（body）类：
head 头 hair 头发 face 脸 eye 眼睛 ear 耳朵 nose 鼻子
mouth 嘴 face 脸 arm 手臂leg 腿 foot 脚 hand 手
2）家庭成员(family)类:
grandma 奶奶，外婆grandpa 爷爷，
father 父亲 mother 母亲 brother 兄弟 sister 姐妹
3）交通工具类
bike car bus taxi train plane ship
4)服装类
cap 帽子 dress 连衣裙 skirt 裙子 coat 大衣
sweater 毛衣， trousers 裤子 shoes 鞋 socks袜子
5) 水果类: grapes banana
6) 糕点类: candy cake bread cookie
7) 房间布局类:
home school classroom chair desk window
door floor TV blackboard fan light
8)人物(people)类:
student teacher
9) 其它： grass tree
（二）动词：表示动作行为的词。
1 单词有:go --- come wear like can find see
2 动词变单三的变法，和名词变复数是一样的。
1）不规则变化
do----does don’t ----doesn’t have ---has
2）用法 :当句子的主语为单数时，谓语动词必须变单三
3 be 动词的用法(am is are )
1）主语为I 时,用am .如：I am a student.
2）主语为 you，they ，these ,those 等复数时，用 are .
Are these your dresses? 这些是你的连衣裙吗？
3）主语为he ,she ,it 等单数时，用is.
4 have has 用法
当主语为单数，用has。如：She has a book.
当主语为I ,you,复数时，用have。如：Do you have a sweater?
（三）代词:
第一人称 I ---my we
第二人称 you----your
第三人称 she ----her he----his it----its they
指示代词 this----these that----those
疑问代词 who whose what
（四）数词:
1 one
2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 .seventeen. 18 eighteen 19 nineteen 20 twenty
（五）形容词:
long---short big----small short ----tall nice beautiful new （六）介词: in on under near about by
（七）冠词：a an the .
（八）连词：and but
（九）短语
1.on foot 步行
2.by bike （car ，ship等）乘自行车（小汽车，船）
3.very much 很，非常
4. excuse me 打扰一下
5. go home 回家 7. go（come） to school 上学
8 go to Xi’an 去西安 9. go to the zoo. 去动物园
二句子
陈述句
1.This (be) the head and this the face.
2.These (be) the eyes.
3.It (be) a nice bear.
4.It (have) a big mouth.
5. He (go) to Xi’an by train.
6.The girl and the boy (go) to school by taxi.
7.They (be) near the desk.
8.The socks (be) on the chair.
9.There (be) a TV in the classroom.
10.There (be) two blackboards.
11.The cars (be) big. The bikes (be) small.
12.Liuzhaoyang’s (be) hair short.
13.It (has) two small ears ,but its arms (be) long.
一般疑问句
1.Does it have legs? ------Yes, it does. 或者 No, it doesn’t.
2.Is this my mom? ------ Yes , I am. 或者I ‘m not
3.Do you go home by bus? ----Yes, I do. 或者 No , I don’t.
4.Do you like candies？ ----Yes, I do. 或者 No , I don’t.
5.Does the monkey like bananas? ----Yes, it does. 或者 No , it doesn’t.
6.Can you find the ruler? ----Yes, I can.
7.
