初二英語上冊語法復(fù)習(xí)詳解(12)-“單數(shù)”

12) 英語中的單數(shù)
1.主語的第三人稱單數(shù)形式,即可用he, she, it代替的。如:
he,she, it,my friend, his teacher, our classroom, Tom, Marys uncle
2.名詞有單數(shù)名詞和復(fù)數(shù)名詞。如:
man(單數(shù))---men(復(fù)數(shù)) banana(單數(shù))---bananas(復(fù)數(shù))
3.動詞有原形,第三人稱單數(shù)形式,-ing分詞,過去式,過去分詞。如:
go---goes---going---went---gone
work---works---working---worked---worked
watch---watches---watching---watched---watched
當(dāng)主語為第三人稱單數(shù)的時候,謂語動詞必須用相應(yīng)的第三人稱單數(shù)形式。
如:
The boy wants to be a sales assistant.
Our English teacher is from the US.
Their daughter makes her breakfast all by herself.