文档介绍：一般现在时
定义
一般现在时:表示通常性、规律性****惯性的状态或者动作(有时间规律发生的事件)的一种时间状态
:
. He’s twelve.
She’s at work.
:
. I get up at 6:30 every day.
He reads English every morning.
常用的状语:often , sometimes , usually , every day 等。
:
. She likes noodles.
They speak French.
:
. Two and four is six.
The moon goes around the earth.
具体用法
具体用法
,常与表示频率的时间状语连用。
(时间状语: always, usually, every morning/night/evening/day/week/year, often, sometimes, seldom, once a month, on Sundays)
. I leave home for school at 7:00 every morning.
He gets up at six in the morning.
。
The earth moves around the sun.
Shanghai lies in the east of China.
3表示格言或警句中。
Pride goes before a fall.
骄者必败。
4. 表示按规定、计划或时间表将要发生的事。
The train starts at 10 o'clock in the morning.  火车将在早上10点开出。
We leave very soon.  我们很快就离开。
这类用法限于表示“移动”的动词:e来,leave离开,start出发,begin开始, arrive到达,take off起飞,等。
常用的时间状语
: sometimes(有时), often,
always(总是), usually(通常), seldom, never(决不) twice a week,seldom,once a month, on Sundays
2. in the morning/afternoon/evening…每周六 on Saturdays
每周日 on Sundays
3. every morning/night/evening/day/week/year,
. I leave home for school at 7:00 everymorning.
I get up at 6:30 every day.
He reads English every morning.
once 两次 twice 三次 three times
一周两次 twice a week 每周四次 four times a week
结构
结构1: 主语+be( am /is/are )+其它
陈述句: She is from America.
否定句: She is not from America.
一般疑问句:Is she from America?
肯定回答:Yes, she is .
否定回答:No, she isn’t.
一般现在时含有be动词变疑问、否定句的口诀:要变一般疑问句,be动词提前很容易。否定句,很简单,not 在be 动词后面站。
结构
结构2:主语+行为动词+其它
陈述句结构:主语+行为动词+其它
(但是当主语是第三人称单数时,行为动词+s/es/y改i加es)
We go to school at 7:00.
She studies English every day.
否定句结构:主语+don’t/doesn’t+动词原形+其它
We don’t go to school at 7:00.
She doesn’t study English every day.
疑问句结构:Do/Does+主语+动词原形+其它
Does she go to school at 7:00?
肯定回答:Yes, she does.
否定回答:No, she doesn’t.
一般现在时行为动词变疑问句口诀:一添、二改、三原、四问号。即一添Do/Does,二大写改小写,