to 用法
一。to 是介词而不是不定式标志时后面的动词要加ing。如 :
in addition to doing除做此之外
look forward to doing 渴望做某事
pay attention to doing注意做
make a contribution to doing为。
。。作贡献
二。1。很多都是不定式做宾语的情况。
常见的有want,like,hope,wish,hate,manage,ask,promise,pretend,decide,happen。
plan,etc。+to do。另外tell,advise,find out,show。 know。teach,decide,learn,wonder等动词后常用一个带连接代词或连接副词的不定式做宾语。
如:
He didn't know what to do。他不知如何是好。
2。还有不定式做表语的情况
Her wish is to become a doctor。 他的愿望是成为一名医生。
3。做定语的情况
I want to get something to eat。我想找些吃的东西。
4。做状语
He ran over to welcome the guest。
他跑过去欢迎客人到来。
What have I said to make you so excited?我说了什么让你这么兴奋?
5。 在复合结构中的不定式
want, ask,tell,invite,force,get,beg,allow,wish,would like,expect,advise,order,cause,encourage等动词后跟不定式做宾补。
Would you like us to go with you ?
6。 以be said/reported/known,seem,happen,prove,appear,be likely/certain/sure等结构和不定式一起构成谓语。
They are likely to be on the farm now。他们现在可能已经在农场上了。
。