介词 后接which , 或whom
介词后不能接that 或who
This is the house , _____ he bought yesterday.
非限定定语从句中不能用that
感叹句 :
What + a/ an + adj + 名词 +(主谓)!
What a clever girl she is!
What hot milk it is!
What beautiful flowers they are!
How + adj / adv + (主谓)!
How interesting English is!
How happily they are playing!
remember to do
remember doing
have to do 不得不做
I must do my homework every day.
I have to do my homework every day.
mustn’t 不准, 不可以 切勿
don’t have to 不必
by myself = alone = on one’s own 独自
Can you finish the work by yourself?
already 用在疑问句中表示惊讶
look out of 向……外看
look out 当心, 小心
instead 代替
instead of
I’ll have noodles instead of rice.
I’ll play football instead of watching TV.
be surprised at
be surprised to do
be surprised that
To one’s surprise
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