Liping and I are in charge of the work.
My farther asks my sister and me to have dinner with him tomorrow.
My bag is yellow， his(his bag) is black and theirs(their bags) are brown.
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罗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有时别离用来代表前面提到的不行数名词和名词复数，以制止反复。而可数名词单数往往用the one 或that one 来取代。用the one 的时候更多一些。如：
These machines are better than those we turned out last year. 出产
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.
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 有时还可以用来暗示水平。如：
I dont want that much.
He is not that wise.
The book is about this thick.
疑问代词包罗what， which， who， whom， whose， 可以用来组成非凡疑问句，也可以引导名词从句。 What， which， who在句子中作主语或宾语，whom作宾语，whose作定语。如：
Who is speaking? (主语)
Which do you prefer， the yellow one or the white one? (宾语)
Whats your sister?(表语)
The man who is talking with my mother is an engineer.(引导定从句)
The old man whose son is studying abroad is our formal dean of the department. (引导定从句)
This is the plane which will fly to Wuhan this afternoon. (引导定从句)
I dont remember whom I have lent my dictionary to. (引导宾语从句)
疑问代词what， which， who， whom后头可以加ever来加重语气。如：
Whoever can be calling at this time of the night ?谁这么深更半夜来找人?
Ill say whatever comes into my head.
Take whichever book you like.
不定代词包罗both， either， neither， all， none， no， one， each， every， few， a few， little， a little， many， much， some， any， other， another， 以及some， any， no， every组成的合成代词。
(一)both， either， neither
My sister is good at planning her time so that she always has enough time for both work and play.(be good at 擅长做某事)
Neither of the answers is right.
Either of the books belongs to you.
You and I are both to blame.
You both agreed to stay.
Both 放在实意动词前，系动词be 的后头。
(二)all， none， no， one
All of us are fond of sports.(be fond of 喜好)
We are all for him.(be for sb 支持或人)
Grasp all， lose all. 什么都抓，什么都抓不住。(谚)
None of them know how to read and write.
A friend to all is a friend to none. 滥交者无友。(谚)
None of us are perfect.
None of them has had that kind of experience.
no暗示“没有”，在句子中只能作定语，相当于not a 或not any，not否认动词，no否认名词。
Time and tide wait for no man. 岁月不等人。(谚)
No man is born wise. 没有人是生来智慧的。(谚)
Im no dancer. (Im not a dancer.)
Your answer is a good one.
I dont like coloured envelopes. I like white ones.
I havent got a raincoat. Ill have to buy one.
each 和every暗示“每一个”，every 在句子中只能作定语，each 可以作主语、宾语、定语、同位语。
The headmaster shook hands with each of the teacher.(shake hands with 握手)
The students try to set aside a little money each month.(set aside 节省)
From each according to his ability， to each according to his needs(work)。各展其长，按需分派。
I have every reason to believe that she can finish the job well.
There is every possibility of our winning the game.