初中英语单词表短语

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  初中英语单词表中的短语它们的用法有什么区别呢?下面是小编给大家整理的的相关知识,供大家参阅!

  1

  can, be able to的用法和区别

  can, be able to 表示能力这一意义时can和be able to基本相同,但can只有两个时态即现在时(can)与过去时(could)而be able to有多种形式。对未来的能力做决定时,一般用can. 用于过去时态时,

  See if you can go with us.

  考虑一下,看是否能和我们一起去。

  What can I do for you?

  我能帮你什么忙吗?

  Do it how you can.

  你尽可能试着做做看。

  be able to与can意义不完全相同,was able to意为“有这种能力,而且利用这种能力设法做成了某事”,而could只单纯地表达有某种能力。

  I know someone who should be able to fix you up.

  我知道有个人能提供你所需要的东西。

  Manufacturers must be able to juggle demands of all kinds.

  制造商必须能够应付各种需求。

  For once you have mastered that you will be able to do anything.

  因为一旦你掌握了它你将可以做到任何事情。

  2

  must, have to 的用法和区别

  must 表示说话人的主观看法;

  Then you must be my cousin.

  那么你一定是我的远亲了。

  You must compensate me for this loss.

  你必须补偿我的这个损失。

  We must start at once.

  我们必须马上出发。

  而have to则表示客观需要。mustn't意为"不可以;不允许";don't have to 意为"不必"。

  You have to consider what to do next.

  你必须考虑下一步该做什么。

  I have to complain to the manager about it.

  对这件事我不得不向经理申诉。

  You have to keep after your son if he refuses to be housebroken.

  如果你儿子不服管教的话,你必须整天跟在他的身边。

  3

  not … until,until的用法和区别

  until表示动作、状态的持续,强调“一直到……为止”,或强调某个动作或状态一直持续到另一个动作或状态出现之前。常与表示延续性动作的动词连用。

  如:

  He banged on the door until she let him in.

  他砰砰打门,一直到她开门让他进去为止。

  She pored over the problem until she solved it.

  她深入地思考了这个问题,直到把它解决为至。

  The letter passed from one to another until everyone had read it.

  这封信从一个人转手到另一个人直到每个人都看过。

  not … until表示“到……为止;直到……才”,常与表示瞬间性动作的动词连用。

  Not until we pointed out their fault to them did they realize it .

  直到我们向他们指出了他们的错误,他们才意识到。

  We'll never find Truth in her entirety, at least not until the Second Coming, and who knows when that will be?

  我们永远找不到完整的真理,至少在第二次到来之前不能,谁知道那将是什么时候呢?

  Therefore let us realize that it is not until we have cultivated the better qualities in ourselves that we can expect to find them in others.

  因此,我们要意识到在我们自己身上培养出更好的品质之前,我们不能希望在其他人的身上找到这样的品质。

  4

  few, a few; little , a little的用法和区别

  (1)few, a few是可数的, little, a little是不可数的。

  (2)a few, a little含肯定意味,few, little含否定意味。

  I met few people congenial to me in the department.

  在那个单位里我没碰到几个意气相投的人。

  The thief mooched few apples when we are not looking.

  那个小偷乘我们不注意偷了几个苹果。

  Year by year a few of these slang terms prove so useful that they graduate into respectable society.

  年复一年, 这些俚语中的一些证明是十分有用的, 因而逐渐进入了上流社会。

  They have a little ink, don't they?

  他们有一点墨水,是吗?

  They have little ink, do they?

  他们几乎没有墨水,是吗?

  She has a few Chinese friends, doesn't she?

  他有几位中国朋友,是吗?

  She has few Chinese friends, does she?

  他几乎没有几位中国朋友,是开吗

  She has a little dog.

  她有一只小狗。

  

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