= It is useless + to V


             use
= There is no  good   in + Ving
             point
              use
= What is the   good   of + Ving？
              point

81.	......没有用；......有什么用呢？
	It is (of) no use +	to V
		Ving
	= It is no good + Ving

* 说也没用。
   It is (of) no use talking.  = It is (of) no use to talk.
  = It is no good talking.    = It is useless to talk.
  = There is no point in talking.  = What is the use of talking?

82.	突然.....起来   burst out + Ving  = burst into + n.

* 她突然哭了起来。                 * 她突然笑了起来。
    She burst out crying.                  She burst out laughing.
  = She burst into tears.                = She burst into laughter.

83.	动词做句子的主词      ß动词要改成To V或Ving
	To V ......	+ V(单数) ........
	Ving ......

* 早睡早起有益健康。
    To keep early hours is good for health.
   = Keeping early hours is good for health.

84.	too	adj. adv.	to V	太.....而不......	adj.	enough ......(to V)   够......所以会......
			for + O.		adv.

  * 他太年轻无法承担这工作。
He is too young to do the task.
  = He is too young for the task.  (= He is so young that he can not do the task.)
  * 他很聪明所以会知道那件事。
He is wise enough to know that.

85.	to V的动作发生的时间
	S + V ...... + to V.         ß两个动作同时发生
	S + V ...... + to have pp.    ß不定词动作发生在先

  * 他似乎现在很有钱。
He seems to be rich.  (= It seems that he is rich.)
  * 他似乎过去很有钱。
He seems to have been rich.  (= It seems that he was rich.)

86.	更不要说.....；何况......
	S + V ......,	to say nothing of ......  not to mention ......
		not to speak of ......  let alone ........

  * 他连英语都会讲，更不要说中文了。
He can speak English, to say nothing of Mandarin.
  = He can speak English, not to mention Mandarin.
  = He can speak English, not to speak of Mandarin.
  = He can speak English, let alone Mandarin.

87.	do nothing but + 原形V          只.........(动作)         ß but可换成except

  * 他只是笑。
    He does nothing but eat. (= He does not do anything but eat.)
    ＊假如前面的动词不是do，nothing but要看成等于only，由该动词决定后面形式。
      如：He enjoys nothing but eating.   他只喜欢吃。        Enjoy + Ving

88.	不得不......；忍不住......   can’t help + Ving         but = can’t  help but     + V         choose but = have no choice but + to V = have no alternative but + to V

  * 我不得不做。
      I can’t help doing it.
   = I can’t help but do it. = I can’t but do it.
   = I have no choice but to do it.

89.	即将......；正要......   be going to + V = be about to + V
	= be on the point of	Ving
		n.        ß point可换成verge, edge, brink ,eve

  * 人之将死，其言也善。
 When a man is going to die, his words are good.
= When a man is about to breathe his last, his words are nice.
= When a man is on the point of death, his words are gracious.
 

90.	你只要......就可以了。   All you have to do is + (to) V         ßall后面可以有关代that = What you have to do is + (to) V         ßwhat后面不可以再有that = The only thing you have to do is + (to) V = You have only to V.

  * 你只要尽力而为就行了。
 All you have to do is (to) do your best.
   = What you have to do is (to) do your best.
   = The only thing you have to do is (to) do your best. = You have only to do your best.