代 词
包括：人称代词、物主代词、反身代词、指示代词、疑问代词、关系代词、不定代词及其用法。
一、人称代词
人称代词有第一、第二、第三人称和单数、复数之分，在句子中可以作主语和宾
语。英语中有下列人称代词：
在并列的主语或宾语中，I或me 通常放在后面。如：
Liping and I are in charge of the work.
My farther asks my sister and me to have dinner with him tomorrow.
二、物主代词
物主代词有形容词型与名词型之分。形容词型物主代词在句子中作定语，名词型物主代词在句子中主要作主语、宾语、表语、定语(接在of 后面)。英语中有下列物主代词：
名词型的物主代词相当于形容词型的物主代词加上上文出现的名词。如：
My bag is yellow， his(his bag) is black and theirs(their bags) are brown.
三、反身代词
英语中有下列反身代词：
反身代词在句子中可以作宾语、表语、同位语等。如：
Please help yourself to some tea.(宾语)
The boy is too young to look after himself.(宾语)
Ill be myself again in no time.(表语)
The desk itself is not so heavy. (同位语)
I fixed the door myself. (同位语)
四、指示代词
指示代词包括this， that， these， those 和such， 在句子中可以作主语、定语、表语、宾语等(such不作宾语)。
that和those有时分别用来代表前面提到的不可数名词和名词复数，以避免重复。而可数名词单数往往用the one 或that one 来代替。用the one 的时候更多一些。如：
These machines are better than those we turned out last year. 生产
The oil output of this year is much higher than that of last year. 产量
The best wine is that from France.
My room is lighter than the one next door.
Ill take the seat next to the one by the window.
The film is more funny than that one.
that 可以指上面提到的事情，this指下面要谈的事情。如：
They have no time to read the books. Thats their trouble.
She was ill yesterday. Thats why she was absent.
I want to know this： How much money we have left?
What I want to say is this： Pronunciation is very important in learning English.
this 和that 有时还可以用来表示程度。如：
I dont want that much.
He is not that wise.
The book is about this thick.
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