期末复习5 Unit Four
一 重点词汇：charity, poor, organizer, host, wish, hope, raise, introduce, duty, event, success, business, decision, audience, curtain, exit, stage, support, advertisement, loudly
二 词组短语：practise a lot, give out, because of, pay attention, instead of, work on, keep doing, seem to do, raise money for, be able to, at the end of the show, the heavy rain, the strong wind, be all wet, make some decisions, instead of,
三 结构句子： I wish I could be the host.
I was helping with a charity show because I wanted to raise money.
I was very nervous because of the TV cameras.
There was a lot of work to do so I was very busy.
I hope you will like the show.
I hope to see you soon.
It was my job to introduce each star.
No time to be nervous any more.
Everything seems to happen so fast.
The children have to work instead of going to school.
It is important that all children learn to read and write.
The show will be held next week.
四 语法
A. Because：是连词，连接两个句子,解释原因
B. because of：是介词词组，用来解释原因，后加名词、名词短语或代词
C. so 是连词，连接两个句子，用来表示结果。
D. hope: 用于表达期望的事情将来会发生而且非常可能发生。后面可加动词不定式to do, 也可加句子，该句子用will/can + 动原。
e.g. I hope to see the charity show.
I hope (that) you will/can come to my birthday party.
E. wish: 用于表达期望时，期望的事情似乎不可能发生，则后面句子用过去时态，I 后面的be 动词一定要用were；如果期望的事情是不可实现的事情或不真实的事情，后面句子用would +动原；wish还可用于表达祝愿,用词组‘I wish you + 名词或名词短语’。
e.g. I wish I could fly like a bird.
I wish I were Bill Gates.
I wish you a happy holiday.