【课文讲解】
在阅读理解中学会化整为零,在写作当中学会化零为整
take to:把...送到
dress up as :打扮成为
dress up 打扮
be dressed
accompanied
a guard of honour:仪仗队
set off:出发
riding 跟主语有关系,必然是状语
should have done :原本该做而没做
needn't have done :过去不必做但是做了
ought to :应该
所有的情态动词+have done 都跟过去有关
1.跟虚拟语气有关的:would ahve done
2. 表示推测句型:may/must/can't have done

as=because
hold up the traffic:阻碍交通
though:尽管
agree to do :同意做某事
agree with sb
agree to (prep.)sth
I agree with you.
I agree to your advice
I agree to go with you.
off=away from 离开什么地方
must+v. 推测,have to:不得不
afterwards=later:后来
It was fortunate that...
carry:抬起来
should 跟现在有关系
should have done 跟过去有关系
let sb off(go):让某人走(离开)
record:(警察局的)记录
set up a new world record
sb have a good record
resume :履历

情态动词+have done 一定和过去有关系
1表示推测的过去:must/can't/may
2.虚拟语气相连:would have done
3.should have done :原本该做但是没做
4.needn't have done :原本不必做但是做了

【Key structure】

should (应该)(含有建议)
ought to:应该(强调义务)
have to :不得不
must 表示推测

1...should...

2...had to...

3...should have done...

4...ought to have done...

5...had to...

let sb off 让某人走
let sb down 让某人失望
let sb in/out :让某人进来/出去

情态动词如果后面加动词原形,认为跟现在/将来有关系;一旦要和过去有关系,一定会在情态动词后面加have done

【Multiple choice questions】

Structure

3.b
as 后面要加句子,只有在the same as 结构时不加句子,或者是as...as
Lucy is the same as her sister
like 的后面加词
like me 像我这样
like London 像伦敦一样
seem 后面可以直接加形容词
He seemed rich 他看起来很富有
seem 后面会加to 这个不定式结构
He seemed to be rich
一个句型:It seemed that... 表示某件事情看起来似乎如此
It seemed that he is rich
seem 的后面常常会加as if

4.b
7.a
must 的后面是不会加to的
have to 当中的have 是实义动词

【Summary writing】

1.
He decided to take some presents to a children's hospital.
He dressed up as Father Christmas.
He set off down the main street.
He was riding an elephant called Jumbo.
After 的后面可以直接加doing,也可以加having done
After knocking at the door
After having knocked at the door
After having decided to take presents to hospital and dressed up
as Father Christmas,he set off down the street riding a baby elephant called Jumbo.

2.On being that he was holding up the traffic,he agreed to go at once,but Jumbo refused to move,so fifteen policemen had to push him off main street.
on 加在动词前面,相当于as soon as
be 在这儿要跟done相连
but 句跟主句并列

3.
as 因为