过去时 Dare to少用 Dared to do
否定句 现在时 Daren t/dare not do Do /does not dare (to) do
过去时 dare not do Didn t dare (to) do
疑问句 现在时 Dare he do? Do you/does he dare (to)do?
过去时 Dared he do? Did he dare (to) do?
Would rather ,would sooner,would (just) as soon,had rather,had better,had sooner,can not but ,may well,may(just) as well,might as well,try as sb may
Would like to have done sth=have already planned to do
Had better have done sth(but the fact is opposite the plan)
Would (had)rather,would (had) sooner,would(just)as soon
1 he must copy the text again,mustn t he
2you must go home right now,needn t you?
3you must be tired,aren t you?
4 he must have met her yesterday ,didn t he?
5you must have seen the film, haven t you?
6you mustn t walk on grass,must/may you?
7he can t be a teacher,is he?/the students can t have gone home,have they?
8 they ought to be given some help ,oughtn t/shouldn t they?
定语从句
Athat
1 person and sth
2the best
3all much little none the one everything anything nothing
4only any few little no all one of very
5first and the only one
Bwho
1 one ones or anyone
2 those
C as which
eg. She sold her old house ,as/which was natural.
The old lady married again ,which was unexpected.
As you know as you see as is known to all as can be seen as is announced as has been found as is well-known as has been pointed out as might be expected as may be imagined as is often the case as often happens
D time day year moment way reason can be omit or be replaced by that
But=who not that not
eg. No one is in the world but knows the Great Wall.=all know the Great Wall.
More….. than +(is,was,likes)
eg. There were more deaths than was reported.
The same….as the same…..that