英语,名词的作用是:
充当主语、表语、宾语、宾语补足语、定语等。
例句:
一:主语
1.Alice is a good student.
2.China lies in the east of Asia.
二:表语
1.This is Tom
2.They are teachers.
三:宾语
1.Mary can drive a car.
2.I like chemistry.
四:宾语补足语
1.We call him Li Lei.
2.We make him our monitor.
五:定语
1.Thin is an apple tree.
2.They are women doctors.