时态语法~

本文主要是介绍时态语法~，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

 1.时态

 时态分为16种时态

	过去	现在	将来	过去将来
进行
完成
进行完成
一般

2.一般时态

2.1 一般现在时

2.1.1 定义

1. 表示经常性 或习惯性 的动作或存在的状态

2. 表示客观事实 或普遍真理

2.1.2 构成

主语 + do / does  +其他             主语 +  be(am,is are) +其他

2.1.3 动词第三人称单数变化

一般动词后+s	stop——stops   make——makes read
以 ch 、sh、s、x、o，结尾的动词，在词尾加-es	miss——misses  fix——fixes teach——teaches  wash——washes        go——goes    do ——does
以辅音字母加y结尾的动词，把y改i加es	study——studies  worry——worries
特殊变化	have——has

2.1.4 标志词

always、often、usually、sometimes、every day、never、on Sundays、once a day

口诀 总经常 有每有  复星周

2.1.5句型转换

2.1.5.1一般现在时改为否定句

TFboys like singing very much             TFboys  don't like singing very much

主+don't + do + 其他

My sister likes TFboys very much.       My sister doesn't  like  TFboys very much

主（三单) + doesn't + do + 其他          助动词后面必须加动词原形

TFboys are very popular  in China       TFboys aren't  very popular in China

主+be（am，is，are)+not+其他

2.1.5.2 一般现在时改为疑问句

TFboys like singing very much          Do TFboys like singing very much ?

主+do +其他                                         回答：谁提问谁回答 Yes，主+ do.  No, 主+don't

My sister likes TFboys very much.    Does your sister like TFboys very much? 

Does + 主（三单）+ do + 其他           回答：Yes,主+does.  No，主+doesn't.

TFboys are very popular  in China     Are  TFboys  very popular  in China? 

Be （Am，Is，Are）+主+其他           回答：Yes，主+be. No，主+be not(缩写)

2.1.5.3 一般选择时改为特殊疑问句

Wendy often teaches English on line on Sundays.

对主语提问：特殊疑问句+do/does/be+其他

对非主语提问：特殊疑问句+（ do/does/be+主+其他）一般疑问句

Who often teaches English on line on Sundays？

What does Wendy often do on line on Sundays?

When does Wendy often teach English on line？

2.1.6 特殊点

1.客观真理永一现

The sum rises in the east

2 if 引导条件状语从句 主将从现 

I will tell him the news   /  if he comes tomorrow

2.2 一般过去时

2.2.1定义

1.过去某个时间里发生的动作

2.过去经常性/习惯性的动作

2.2.2 构成

主+ v(过去式)

2.2.3 过去式的四种构成方法

1.规则变化

直	+ed	work——>worked  stay——>stayed  want——>wanted
去	去e（不发音的e)+ed	hope——>hoped  believe——>believed  decide——>decided
双	双读闭音节 双写辅音字母+ed	stop——>stopped admit——>admitted  refer——>referred
改	以辅音+y结尾变y为i+ed	study——>studied  try——>tried  worry——>worried

2,不规则变化

原形	过去式	过去分词		原形	过去式	过去分式
am/is	was	been		dive	dived / (美) dove	dived
are	were	been		do/does	did	done
awake	awoke	awoken		draw	drew	drawn
bear	bore	borne		dream	dreamt/dreamed	dreamt/dreamed
beat	beat	beaten		drink	drank	drunk
become	became	become		drive	drove	driven
blow	blew	blown		eat	ate	eaten
begin	began	begun		fall	fell	fallen
break	broke	broken		feed	fed	fed
bring	brought	brought		feel	felt	felt
build	built	built		fight	fought	fought
burn	burnt/burned	burnt/burned		find	found	found
buy	bought	bought		fly	flew	flown
can	could	——		forget	forgot	forgotten
catch	caught	caught		freeze	froze	frozen
choose	chose	chosen		give	gave	given
come	came	come		go	went	gone
cost	cost	cost		grow	grew	grown
cut	cut	cut		hang 悬挂	hung	hung
lose	lost	lost		hang 绞死	hanged	hanged
have/has	had	had		make	made	made
hear	heard	heard		may	might	——
hide	hid	hidden		mean	meant	meant
hold	held	held		meet	met	met
hurt	hurt	hurt		mistake	mistook	mistaken
keep	kept	kept		pay	paid	paid
know	knew	known		put	put	put
lay	laid	laid		read	rode	ridden
lead	led	led		ride	rode	ridden
learn	learnt/learned	learnt/learned		ring	rang	rung
lend	lent	lent		rise	rose	risen
hit	hit	hit		run	ran	run
let	let	let		say	said	said
lie 躺	lay	lain		see	saw	seen
lie 撒谎	lied	lied		seek	sought	sought
light	lighted/lit	lighted/lit		sell	sold	sold
send	sent	sent		set	set	set
steal	stole	stolen		stick	stuck	stuck
shake	shook	shaken		strike	struck	struck/stricken
shall	should	——		sweep	swept	swept

这篇关于时态语法~的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！

---