1.help(to)do,help sb(to)do这是初中英语(及高中英语)的常见考点。
上面结构中的help含义“帮助、帮忙,促进”。
2.在讲解help+doing结构是有个前提条件的,即需要使用can't/couldn't:
help也存在以下的搭配:can't/couldn't+help doing以及can't/couldn't+help sb/sb's doing结构。
其中can't/couldn't help doing多见于英式英语,相当于美式英语的can't/couldn't help but do结构。
上面结构中help的含义可以是“忍住;抑制/控制;避兔/阻止”。
1.stop to do/stop doing sth.
stop to do sth.意为“停下来(正在做的事)去做(另外的)某事”
stop doing sth.意为“停止做(正在做的)某事”
2.remember to do/remember doing sth.
remember to do sth.意为“记住要去做某事(还没有做)”
remember doing sth.意为“记得(已经)做过某事”
3.forget to do/forget doing sth.
forget to do sth.意为“忘记做某事(动作还没有发生)”
forget doing sth.意为“忘记做过某事(动作已发生)”
4.go on to do/go on doing sth.
go on to do sth.意为“做完一件事,接着做另外一件事(两件事之间可能有某种联系)”
go on doing sth.意为“继续做下去”。
5.try to do/try doing sth.
try to do sth.意为“尽力去做某事”
try doing sth.意为“(用某一种办法)试着去做某事”
6.can't help to do/can't help doing sth.
can't help to do sth.为动词不定式结构,意为“不能帮助做某事”
can't help doing sth.意为“身不由己地去做某事”或“情不自禁地去做某事”
7.hear sb. do/hear sb. doing sth.
hear sb. do sth.意为“听见某人做某事”,指听到了这个动作的全过程
hear sb. doing sth.意为“听到某人做某事”,指听到的时候,这个动作正在发生