内容正文:
中考语法专项:五大时态
一 般 现 在 时
一、 一般现在时的构成
1. am/is/are 作谓语。如:
He Is a good doctor. 他是一名好医生。
2. (doesn't/don’t+)动词原形作谓语。如:
They run every day. 他们每天都踢足球。
They don't run every day. 他们不是每天踢足球。
Sometimes she goes to the park. 有时她去公园。
Sometimes she doesn’t go to the park. 有时她不去公园。
二、 一般现在时的用法
表示经常性、习惯性的动作或存在的状态。常与表示频率的副词或时间状语连用。
We are hungry.
I often play chess with my father.
She visits her grandparents every Saturday.
They swim once a month.
表示客观事实和普遍真理。
The sun rises in the east .
The earth moves around the sun.
Guangzhou lies in the south of China.
主将从现:如果主句是一般将来时,从句由if(如果), as long as, as soon as, until, when等引导时,从句要用一般现在时替代一般将来时。
If it doesn’t rain tomorrow, I will go camping.
I’ll tell her the good news when she comes back.
在某些以here,there开头的句子中用一般现在时表示正在发生的动作
Here comes a bus. 公交车来了
三、 常与一般现在时连用的单词和短语
1. 表示频率的副词:always, often, usually, sometimes等。
2. on Sundays, on Monday afternoons, every day, every morning, every year 等时间状语。
3. 表示频率的词组:once a year, twice a month, three times a week等。
四、 动词第三人称单数形式的变化规则
情况
例词
在动词原形后加-s
read→reads like→likes
以ch, sh, s, , x, o结尾的动词,在词尾加-es
teach→teaches wash→washes
go→goes guess→guesses
以辅音字母加y结尾的动词,先将y变为i再加-es
carry→carries try→tries
· 单项选择
1. I want a camera which_______ good pictures.
A.took B.takes C.is taking
2. A nurse usually___________ a white uniform
A.wear B.wearing C.wears
3. As you can see, the number of cars on our roads_______rising these days .
A.was keeping B.keep C.keeps
4. —What’s your plan for the summer holiday?
—I’ll go to Beijing as soon as the school term_________.
A.will end B. ends C.end
5. As long as you ______ hard, your dreams __________ true.
A.study;will come B.studies; will come C.studies; comes
6. The earth is a planet and it____________ around the su