英语中to作介词与不定式标志的词组与短语即to后分别加v-ing与v原两种类型越多越全越好（请分类）
问题描述：
英语中to作介词与不定式标志的词组与短语
即to后分别加v-ing与v原两种类型
越多越全越好（请分类）
答
used to doing
get used to do
be used to do
look forward to doing
答
i am looking forward to hearing from you,就是to作介词
i need to do sth, i want to do sth.等等就是做不定式的
答
接 to do 作宾语的常用动词afford arrange beg manage offer pretend promise refuse fail long hesitate struggle agree ask choose decide demand determind expect fear help hope learn ...