5.指示代词：“this,that,these,those”,可作名词用也可作形容词用。见下表：
| 在句中的成分 | 例 句 | |
1 | 作 名 词 用 | 作主语 | This is Smith. |
2 | 作宾语 | I like this. | |
3 | 作表语 | His idea is this. | |
4 | 作形容词用 | 作定语 | This way,please. |
6．不定代词：
序 号 | 分 类 | 功 能 | 用法 | 不定代词 | 例词或例句 | 说明 |
1 | 作 形 容 词 | 定语 | 接可数单数 | every“每个的”，只作定语 | every body | 指三者或三者以上的“每个的”。 |
接可数复数 | other | other boys | | |||
接三类名词 | no | no people | no=not a/any | |||
2 | 作 名 词 | 主语、表语、宾语 | 代单数（人） | someone,somebody anyone,anybody everyone,everybody no one,nobody | Someone is waiting for Jack. Is everyone here? Is there anybody out? | someone,somebody 用肯定句中或表建议等的疑问句中； anyone,anybody用于否定条件句或疑问句中。 |
代单数（物） | something,anything nothing,everything | Something is wrong with my bike. | something用于肯定句或表建议等的句子里；anything用于否定句或疑问句中。 | |||
代复数 （人/物） | others，the others | She likes to help others. Where are the others? | the others其余的人/物。 | |||
| none | None of us is afraid. | 指三者或三者以上当中“没一个”。 | |||
3 | 既可作名词又可作形容词 | 主语、定语、表语、宾语 | 不可数 | little,a little,much | There’s little time left. | little“几乎没有”，表否定。 |
可数复数 | few,a few,many,several, both | Both my sisters are good. | few“几乎没有”表否定；both只用于两者“两者都”。 | |||
可数单数 | one each(二者或三者以上的“每一”) another,either,neither | Each student has a pencil. | either二者之中任一个；neither二者之中没一个。 | |||
接/代三类名词 | all,some,any,such,the other | He has two sons.One is a doctor. The other(one)is a teacher. | some用于肯定句或表建议的句中；any用于否定、疑问句或条件句中。 | |||
可数复数或不可数 | lots of, a lot of, a lot | He has lots of/a lot of friends. He has a lot to say. | |
注意：
（1）both(二者都)和all(三者或以上都)可以作同位语，位于助动词，系动词或情态动词后，行为动词之前。
The boys are all in the classroom.
Both(of)my brothers like sports.
（2）every other+可数名词单数：指“每隔一…”。
They go to play basketball every other day.
（3）no/any/every/some与one/body构成的复合词指人，不用于of前。
（4）all/both/every及其复合词与否定词连用时，表部分否定。相应的全否定为none/neither/no one/nobody/nothing等。
Not all of us are teachers=All of us are not teachers.
None of us are students.
（5）“another+数词+名词复数”表示“再来（数词）…”。
Another two coffees,please.
（6）the other+单数可数名词或不可数名词或复数可数名词表示“其余的/所有剩下的…”。
The other boys are playing on the playground.
the other后不接任何词时，指“二者中的另一个。”
I have two skirts. One is red. The other is blue and white stripes.
7．疑问代词：用来构成特殊疑问句。在句中可作主语、宾语、表语、定语、补语等。
在句中成分 | 例句 |
主语 | Who did it? |
宾语 | What are you doing? |
定语 | Whose bike is it? |
补语 | What do you call it in Japanese? |
表语 | Whose is this book? |
