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wish的详细用法

wish的用法

  1)用于wish后面的从句,表示与事实相反的情况,或表示将来不太可能实现的愿望。其宾语从句的动词形式为:

  真实状况 wish后

  从句动作先于主句动词动作  现在时  过去时

  (be的过去式为 were)

  从句动作与主句动作同时发生 过去时  过去完成时

  (had + 过去分词)

  将来不大可能实现的愿望   将来时 would/could +

  动词原形

  I wish I were as tall as you. 我希望和你一样高。

  He wished he hadn't said that. 他希望他没讲那样的话。

  I wish it would rain tomorrow. 我希望明天下雨就好了。

  2)Wish to do表达法。

  Wish sb / sth to do

  I wish to see the manager. = I want to see the manager.

  I wish the manager to be informed at once. (= I want the manager to be informed at once.)

Should 和 shall 有什么差别?

  shall:

  传统上,用于第一人称(I, we),表示将来时态,比如:I shall be there by ten o'clock.

  但在现代英文中,尤其是美式英文中,可以用will替代。

  2. 表示强烈的看法和意图,比如: You shall pass the exam.

  这是老式、正式的用法。

  3. 表示命令和告诫,或者法律和规则,比如:You shall not enter this room.

  4. 在问句中表示提议和建议,比如:Shall we dance?

  should:

  表示义务、责任等,比如: You should help your friends.

  表示愿望或者预期的事情,比如:It should be sunny tomorrow.

  表示建议,比如:You should wear this dress.

  表示可能性或者条件假设, 比如:Should you need any help (=if you need any help), call me anytime.

  用于许多表示感情的形容词后的 that 从句中, 比如:It is astonishing that he should be so rude to you.

  用于第一人称,表示礼貌的请求或接受, 比如:I should like more wine.

冠词的用法

  冠词的用法

  冠词是虚词,放在名词之前,用来说明名词指的人或事物。冠词有两种。 a(an) 叫不定冠词, the 叫定冠词。 a 用在辅音之前, an 用在元音之前。

  1. 不定冠词的用法

  (1) a 和 an 均用在单数名词之前,表示某一类人或事物。例如:

  John is a student. Mary is an English teacher.

  (2) 指某一类人或事物中的任何一个。例如 :

  A steel worker makes steel.

  Pass me an apple, please.

  (3) 指某人或某物,但不具体说明何人或和物。例如:

  A student wants to see you.

  A girl is waiting for you outside.

  (4) 表示 “ 每一 ” 的意思,相当于 every 。例如:

  Take the medicine three times a day.

  They go to see their parents once a week.

  2. 定冠词用法

  (1) 特指某(些)人或某(些)事物。例如:

  The book on the desk is an English dictionary.

  Beijing is the capital of China .

  (2) 指说话人和听话人都熟悉的人或事物。例如:

  Open the door, please.

  Jack is in the library.

  (3) 上文提到过的人或事物。例如:

  Yesterday John's father bought him a new bike. The bike cost him 200 yuan.

  (4) 表示世界上独一无二的事物。例如:

  The sun rises in the east and sets in the west.

  (5) 用在序数词和形容词最高级之前。例如:

  Shanghai is the biggest city in China .

  January is the first month of the year.

  (6) 用在某些形容词之前,表示某一类人或事物。例如:

  The nurse is kind to the sick.

  We should take good care of the old.

  (7) 用在某些专有名词之前和某些习惯用语中。例如:

  the Great Wall, the Summer palace, in the morning, in the open air 等。

  (8) 用在姓氏复数之前,表示 “ 某某一家人 ” , “ 某某夫妇 ” 。例如:

  the Browns, the whites 等。

  3. 不用冠词的情况

  (1) 某些专有名词,抽象名词和物质名词前一般不用冠词。例如:

  China, Canada, Japanese, glass, water, love 等。

  (2) 名词前已有作定语用的 this, that, my, your, whose, some, any, no, each, every 等代词时,不用冠词。例如:

  That is my cap.

  I have some questions.