Grammar职位前不加冠词eg
be elected monitor/be selected presidentBe to do ① 将要(已计划好)② should do 应该Situation/policy/system/point/condition/case + in which/whereA rather than BA as well as B判断动词看 AA together with BIf only + 虚拟Only if + 倒装 (如果)except同类except for +n
不 同 类 Eg
His composition is good except for some grammar mistakes
Except thatEg
I know something about him except that he comes from shanghai
Except whenEg
I go to school everyday except when it rains
Except to Eg
I will go nowhere except to the library
It is no use/good doingThere is no point (in) doingThere is no need for sb
There is no denying thatA series of sth
IsAll the means haveEvery means has been used分词 主动 ing 被动 ed伴随 主动 ing 被动 edBe exhausted = be tired out = be worn out (人)筋疲力尽分词作后置定语 绝对不用 having done/ having been d