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您的位置: 朵拉利品网 >  知识中心 > peak放大镜用法 Win7系统放大镜的快捷键和使用方法是什么?
peak放大镜用法 Win7系统放大镜的快捷键和使用方法是什么?
2019-06-13 18:01:48 来源:朵拉利品网

1, Win7系统放大镜的快捷键和使用方法是什么?



Win7放大镜用法及快捷键
1、打开放大镜的方法:Win + 加号;
2、显示鼠标指针:Ctrl + Alt + 空格;
3、切换全屏模式:Ctrl + Alt + F;
4、切换到镜头模式:Ctrl + Alt + L;
5、切换到停靠模式:Ctrl + Alt + D;
6、反色:Ctrl + Alt + I;
7、按箭头的方向平移:Ctrl + Alt + 箭头;
8、调整镜头大小:Ctrl + Alt + R ;
9、退出放大镜:Win + Esc!

2, be动词的作用及用法是什么???



be动词的用法
英语的“be”是个特别动词;有些语言,如中文和马来文,并没有“be”这样的动词。
“Be”除了原形的“be”之外,还有另外七种形式:am, is, are, been, being, was, were.
在句子中,“be”可以是主动词(The Principal Verb)或助动词(The Auxiliary Verb).
当主动词时,“be”在性质上属于接系动词(The Linking Verb), 后面要有名词、形容词、地方副词或短语作补足语(The Complement)。例如:
1. The man is a science teacher.
2. Mary"s new dresses are colourful.
3. I have been there before.
4. Mother is in the kitchen now.
这四个都是陈述句,可以变成疑问句,方法简单,把主语和“be”或助动词对换位置即可:
5. Is the man a science teacher?
6. Are Mary"s new dresses colourful?
7. Have I been there before?
8. Is mother in the kitchen now?
当“be”要在祈使句中出现时,它必须借重助动词“do”或“don"t”之助,如:
9. Don"t be silly!
10. Do be obedient!
11. Don"t be a fool!
“Be”有两种缩写法,如下:
12. He"s not...../He isn"t....
13. You"re not...../You aren"t...
但“am + not”的缩写法只有一个:
14. I"m not.
有人用“ain"t”, 但这并不是标准英语。
谈过了“be”作主动词的功能,现在看看“be”作助动词时,有些什么用法:
1.“Be + 现在分词”以组成进行式时态(Continuous Tenses),如:
15. Tony"s maid is washing his new car.
16. The children are playing in the field.
17. Samuel was eating when I came in.
18. We have been living here since 1959.
2.“Be + 过去分词”以组成被动语态(The Passive Voice),如:
19. Her money in the drawer was stolen.
20. A number of good jobs are taken up byforeigners.
21. David studied in Taiwan but has been trained as a language lecturer in America.
22. Can all the wonderful birds be found in our Bird Park?
23. The disobedient boy was told to stand out- side the classroom.
24. Steps are being taken to reduce traffic con- gestion during peak hours.
25. Dishonest students will be immediately dealt with.

相关概念


been

been [美] [bɪn] [英] [biːn] ( be 的过去分词)

助动词

协助主要动词构成谓语的词叫助动词(Auxiliary Verb),也叫辅助动词。被协助的动词称作主要动词(Main Verb)。助动词用来构成时态和语态。 助动词具有语法意义,但没有词汇意义,不可单独作谓语。它没有对应的汉译,例如: He doesn"t like English. 他不喜欢英语。(does是助动词,无词义;like是主要动词,有词义)