一、分类
主格I you he she it we they
宾格me you him her it us them
形容词性物主代词 my your his her its our their
名词性物主代词 mine yours his hers its ours theirs
反身代词 myself yourself
yourselves himself herself itself ourselves themselves
主格：一般放在句子前，做主语。 l
宾格：一般放在动词，介词（for、to、of…）后。
形容词性物主代词：修饰名词，放在名词前。l
名词性物主代词：代表名词，后不跟名词。
二、反身代词的分类
1．第一人称 单数：myself 我自己 复数：ourselves 我们自己
2．第二人称 单数：yourself 你自己 复数：yourselves 你们自己
3．第三人称 单数：himself 他自己 herself 她自己 itself 它自己
复数：themselves 他们自己、她们自己、它们自己
三、反身代词在句子中的用法
1．作表语 She's not herself today. 她今天跟平常真是判若两人。
2．作宾语 Please help yourself to some fish. 请随便吃点鱼。
3．作介宾 I learned English by myself. 我自学英语。
4．作同位语 He can do that himself. 他自己能做那件事。
四、There be 有，表示存在。
There is+单数、不可数名词 There are+复数
“There be” 句型结构：
肯定句： “ There be+ 主语（某人 / 某物）+ 某地 There isa boy in the room.
否定句： “There be + not （any）+ 主语 + 某地 There aren't any books on the desk.
一般疑问句：“Be（is、are） there +（any）+ 主语 + 某地
“Yes ， there is / are.” “No, there isn't / aren't. ”
It +be
谈论天气 “ It's going to rain.” 说到时间 “It's time to go to school.”
距离远近 “It's far to get there.” 情况程度 “It's hard to learn.”