PETS-2语法讲解(32)
'不定式的特殊句型too…to… 1)too…to 太…以至于…He is too excited to speak.他太激动了,说不出话来。---- Can I help you ? 需要我帮忙吗?---- Well, I'm afraid the box is too heavy for you to carr...'
PETS-2语法讲解(31)
'省to 的动词不定式 1) 情态动词 ( 除ought 外,ought to):2) 使役动词 let, have, make:3) 感官动词 see, watch, look at, notice , observe, hear, listen to, smell, feel, find 等后作宾补,省略to。 ...'
PETS-2语法讲解(24)
'be afraid doing/to do be afraid to do 不敢,胆怯去做某事,是主观上的原因不去做,意为"怕";be afraid of doing 担心出现doing的状况、结果。 doing 是客观上造成的,意为"生怕,恐怕"。She was afraid to...'
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...'