l 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
l 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 example / an opera / an houran old man / an interesting book / an exciting 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.
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