动词不定式特殊句型和主被动形式
2023-05-03 13:31:28
动词不定式特殊句型和主被动形式
1) too…to太……以至于不能……
He is too excited to speak. 他兴奋的说不出话来。
2) 如在too前有否定词，则整个句子用否定词表达肯定，too后那个词表达一种委婉含义，意为“不太”。
It’s never too late to mend.(谚语) 亡羊补牢，为时未晚。
3) 当too前面有only, all, but时，意思是：非常……，等于very。
I’m only too pleased to be able to help you. 能够帮到你，我非常高兴。
He was but too eager to get home. 他非常渴望回家。
不定式特殊句型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.
对于事故，Tom表现得很沉默，为的是不丢掉工作。
2) so kind as to：劳驾Would you be so kind as to tell me the time?
劳驾你能告诉我一下时间吗？
不定式的形式和主、被动
一般式 to do / to be done
进行式 to be doing
完成式 to have done / to have been done
完成进行式 to have been doing
1) 一般式：有时与谓语动词表示的动作同时发生，有时发生在谓语动词的动作之后。
He seems to know this. 他似乎知道这个。
I hope to see you again. = I hope that I’ll see you again.
期待以后再见到你。
2) 完成式：表示的动作发生在谓语动词表示的动作之前。
I’m sorry to have given you so much trouble.
很抱歉给你带来如此多的麻烦。
3) 进行式：表示动作正在进行，与谓语动词表示的动作同时发生。
He seems to be eating something.
他好像在吃什么东西。
4) 完成进行式：表示动作或状态从谓语动作之前一直持续到谓语动作发生。
She is known to have been thinking over the problem for many days.
据知，这个问题她已经思考了好多天了。
__1__(get) a good education may be the most important price you can pay, because, perhaps more than anything else, what you do __2__ that huge gray material between your ears will determine your future. These words __3__(actual) describe millions of people worldwide who choose to limit their potential ability by not __4__(widen) their education.
A person is much more likely to have better job __5__(offer), more successful career, and a higher yearly salary with a __6__(good) education. This, in turn would allow for a much better lifestyle.
Our generation will become the doctors, lawyers, teachers and leaders of tomorrow. __7__(do) this successfully, a higher level of education is very important！A higher education will mean a better lifestyle, a better ability __8__(adjust) to new technologies, and a various life. Our world cannot afford any __9__(use) potential.
We must crave learning. This, in turn, will pay for not only our future but also will help to insure success for those __10__ follow.
