There is a sheep here.
There are a lot of sheep here.
語(yǔ)法：名 詞
一．名詞分為專有名詞（首字母大寫）和普通名詞.
二．名詞分為可數(shù)名詞（有單復(fù)數(shù)之分）和不可數(shù)名詞（沒(méi)有單復(fù)數(shù)）.
三．可數(shù)名詞變復(fù)數(shù)的規(guī)則：
1.直接+s :desks pens chairs
2.以s,x ,ch,sh結(jié)尾的+es:buses boxes peaches dishes
dresses foxes watches
3.以f或fe結(jié)尾的,變f或fe為ves:
bookshelf---bookshelves knife—knives wife---wives
4.以輔音字母+y結(jié)尾的,變y為ies:
family—families baby—babies library—libraries
study—studies strawberry—strawberries
5.不規(guī)則的：man—men woman—women
foot—feet tooth—teeth goose—geese
fish—fish sheep—sheep deer—deer
Chinese—Chinese English—English
child—children mouse—mice ox—oxen
四．“s”或“es”的發(fā)音規(guī)則：
清清/s/ desks
濁濁/z/ pens
元濁/z/ chairs
-es/iz/ buses