题目内容：

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）

优质解答

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 ...