七年級(jí)可數(shù)不可數(shù)名詞知識(shí)總結(jié)

1、可數(shù)名詞VS不可數(shù)名詞一、可數(shù)名詞單數(shù)變復(fù)數(shù)1.規(guī)則變化詞形特點(diǎn)構(gòu)成方法以日例詞大多數(shù)名詞詞尾加-s清輔旨后讀/s/, 濁輔音和元音 后讀/z/cat-cats bag-bags bee-bees以 s/x/ch/sh 等 結(jié)尾詞尾加-es讀/iz/class-classeswatch-watches以輔音字母+y 結(jié)尾變y為i 再加-es讀/iz/family-families baby-babies以f/fe結(jié)尾變f/fe為v 再加-es讀/vz/leaf-leaves wife-wives life-lives knife-knives注(1)：以元音字母+y結(jié)尾的名詞變復(fù)數(shù)直接加-s,

2、例：toy f toys day days boy boys key keys注(2):以字母o結(jié)尾的單詞，一般名詞直接加-s,例：photo f photos piano pianos zoo zooskilo f kilos radio radios*但在中學(xué)階段，有三個(gè)以。結(jié)尾的單詞，其后要加-es,例：hero f heroqs potato potatoes tomato tomatoes.初中階段不規(guī)則變化單詞：tooth-teeth ; foot- feet; goose-geese; man- men ; woman-women;child -children; sheep -

3、 sheep ; deer- dee；r Chinese Chinese. 復(fù)合名詞變復(fù)數(shù)(1)一般的復(fù)合名詞，只把中心詞(一般是第二個(gè)名詞)變復(fù)數(shù)：apple tree apple trees; pencil box pencil boxes(2)由man和woman構(gòu)成的復(fù)合名詞，二者均變復(fù)數(shù)：man doctor - men doctors; woman teacher - women teachers二、不可數(shù)名詞指不可以用數(shù)目來(lái)計(jì)算也不可以分成獨(dú)立個(gè)體的名詞。不可數(shù)名詞通常包括:物質(zhì)名詞 如milk、water、ink抽象名詞 如love、peace不可數(shù)名詞通常只有一種形式，沒有單

4、復(fù)數(shù)之分。三、 可數(shù)名詞與不可數(shù)名詞的區(qū)別可數(shù)名詞前可加不定冠詞a/an,不可數(shù)名詞不能。以輔音音標(biāo)開頭的單數(shù)可數(shù)名詞前加 a,如：a book, a pen,以元音音標(biāo)開頭的單數(shù)可數(shù)名詞前加an， 如： an egg, an hour注：有時(shí) a/an 后面緊接的不是單數(shù)名詞，而是a /an +形容詞+單數(shù)名詞的形式。這時(shí)判斷用a還是an,要看形容詞開頭字母的發(fā)音，而不是看名詞。如：a man - an English man, an elephant - a young elephant可數(shù)名詞前可直接加數(shù)詞， 不可數(shù)名詞前需加名詞短語(yǔ)修飾。one book, two books, thr

5、ee factories, a hundred students；a cup of tea, two cups of tea, a glass of milk, two glasses of milk可數(shù)名詞表示“一點(diǎn)兒”用 a few, “大量”用 many:a few apples, many students, a few pens, many pencils不可數(shù)名詞表示“一點(diǎn)兒”用 a little, “大量”用 much:a little water, much milk, a little money, much meat但可數(shù)名詞與不可數(shù)名詞都可用a lot of/ lots

6、of表示很多，都可用 some表示一些，如：some apples, some milk,a lot of students, lots of pencils, a lot of milk, lots of meat提問(wèn)“有多少” ：可數(shù)名詞用 How many + 可數(shù)名詞復(fù)數(shù)+一般疑問(wèn)句：How many books do you have?How many pencils are there?不可數(shù)名詞用 How much + 不可數(shù)名詞 + 一般疑問(wèn)句：How much milk do you have?How much meat is there?注：詢問(wèn)價(jià)錢，可數(shù)名詞與不可數(shù)名詞都用 How muchHow much is + 不可數(shù)名詞/可數(shù)名詞單數(shù)How much are + 可數(shù)名詞復(fù)數(shù)/兩種東西以上How much is your coat?How much is the meat?How