不定式主语
文章来源: 文章作者: 发布时间:2007-01-20 08:31 字体: [ ]  进入论坛
(单词翻译:双击或拖选)
1) It's easy (for me) to do that.我做这事太容易了

easy, difficult,  hard,  important,  possible,  impossible, comfortable,  necessary,  better;  
the first,  the next,   the last,  the best, too much,  too little,  not enough
 It's so nice to hear your voice.
 听到你的声音真高兴。
 It's necessary for you to lock the car when you do not use it.
 当你不用车的时候,锁车是有必要的。

2) It's very kind of you to help us. 他帮助我们,他真好。
Kind, nice,  stupid, rude,  clever, foolish, thoughtful1, thoughtless2, brave, considerate(考虑周到的), silly,  selfish(自私的)
例句:
   It was silly of us to believe him. 我们真愚蠢,竟然相信了他。
   It seemed selfish of him not to give them anything. 他不给他们任何东西,这显得太自私了。

注意:1) 其他系动词如,look,appear等也可用于此句型
   2) 不定式作为句子成分时,动词用单数形式。
   3) 当不定式作主语的句子中又有一个不定式作表语时,不能用It is… to…的句型
    (对)To see is to believe. 百闻不如一见。
    (错)It is to believe to see.


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1 thoughtful Wo4wg     
adj.思考的,沉思的,体贴的,关心的
参考例句:
  • She is thoughtful for her friends.她很体贴她的朋友们。
  • This is a thoughtful essay.这是一篇具有思想性的随笔。
2 thoughtless Xoswf     
adj.没有考虑的,无深虑的,轻率的
参考例句:
  • It was thoughtless of you to forget your sister's birthday.你真粗心,把你姐姐的生日都给忘了。
  • I wonder why you are so thoughtless of others.我很奇怪,你为何如此不替别人着想。
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