2)可数名词:( X8 B, c( ]/ f2 I) N/ Y& ~
可数名词除用复数形式表一类之外,一般都要加冠词:A birdcaufly.
+ b5 }8 \) N5 I9 k/ V0 `/ HThe frog is a kind of hibernating animal.
" O- f! S% b6 N$ y1 p6 }1 xVegetables sold at this shop are usually fresh.% [8 }& @& [ c' H1 m
‚有复数形式:
7 O ]; U+ |$ L2 ~. B: va)规则变化——加“s”或“es”(与初中同,略)
. b" e) ?' O- e) K/ h1 \b)不规则变化——child (children), foot (feet), tooth (teeth), man (men),
6 p ?/ g' h# Jwoman (women), mouse (mice), goose (geese), Englishman (Englishmen),
# l7 \) R0 d3 J2 A% Ophenomenon(phenomena)…1 ]' d" ~9 F6 P/ U7 O) y% ^
注意:c)单、复数同形:sheep, deer, Chinese, Japanese, fish(同一种鱼)……。如,a sheep, two sheep
1 Z. q9 \! ?1 N; b* R/ ?* v Cd)只用复数形式: thanks, trousers, goods, clothes, socks, shoes,…# i3 d% F9 z0 _( k& e/ c
e)形复实单:physics, politics, maths, news, plastics(塑料),means.
% t5 o- A! F8 Q5 Pf)形单实复:people (人民,人们),the police, cattle等
0 H; e, V1 t2 N% j. A8 z5 w e# T5 p% Og)集合名词如:family, public, group, class等。当作为整体时,为单数;当作为整体中的各个成员时,为复数。如: My family is a big one. My family are music lovers.
0 U- D- e- Q* c5 y* `; [h)复合名词变复数时,(a)只把复合名词中的主体各词变为复数形式。如:sister(s)-in-law嫂子,弟妹;step-son (s)继子;editor (s) -in-chief总编辑。
' R' \7 c/ f. I* p( w(b)如没有主体名词则在最后一个词的后面加“s”。如:grown-up(s)成年人,go-between(s)中间人' o% S0 M L3 U3 g( Y# @6 Y
(c)woman, man作定语时,要与被修饰的名词的数一致。如:a man servant—men servants, a woman doctor—women doctors |