PETS-2语法讲解(33)
'不定式的特殊句型so as to 1) 表示目的;它的否定式是so as not to do。Tom kept quiet about the accident so as not to lose his job.汤姆对事故保持沉默是为了不丢掉他的工作。Go in quietly so as not to...'
PETS-2语法讲解(28)
'感官动词 + doing/to do 感官动词 see, watch, observe, notice, look at, hear, listen to, smell, taste, feel + do 表示动作的完整性,真实性;+doing 表示动作的连续性,进行性I saw him work in the gard...'
PETS-2语法讲解(26)
'mean to doing/to do mean to do 打算、想mean doing 意味着 I mean to go, but my father would not allow me to.我想去,但是我父亲不肯让我去。 To raise wage means increasing purchasing power.赠加...'
PETS-2语法讲解(23)
'go on doing/to do go on to do 做了一件事后,接着做另一件事。go on doing 继续做原来做的事。 After he had finished his math,he went on to do his physics.做完数学后,他接着去做物理。 Go on doin...'