一般现在时 知识点

一、一般现在时的概念:一般现在时,表示通常性、规律性、习惯性、真理性(即事实)的动作或状态,或者动作有时间规律发生的事件的一种时间状态。
二、一般现在时的结构:
肯定句 :主语+动词原形+其它
否定句 :主语+don't+动词原形+其它
一般疑问句: Do+主语+动词原形+其它
特殊疑问句:特殊疑问词+一般疑问句
但是当主语是第三人称单数时,其结构:
肯定句:主语+动词第三人称单数形式+其它
否定句:主语+doesn't+动词原形+其它
一般疑问句:Does+主语+动词原形+其它
肯定回答 :Yes,主语+does 否定回答: No,主语+doesn't
三、动词第三人称单数变化规律:
情况 构成方法 读音 例词
一般情况 加 -s 清辅音后读/s/
浊辅音和元音后读/z/
swim→swims
help→helps
like→likes
以辅音字母+o结尾的词 加 -es 读/z/ go→goes
do→does
以s,sh,ch,x等结尾的词 加 -es 读/iz/ watch→watches
wash→washes
以辅音字母+y结尾的词 变y 为i再加es 读/z/ study→studies
不规则变化have和be动词 变have 为 has
变be为am,is,are
  have→has
be→is
四、一般现在时的用法:
1.表示经常的或习惯性的动作,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,occasionally,from time to time,twice a week,rarely,seldom,once a month,hardly,ever,never.例如:I leave home for school at 7:00 every morning.我每天早上7点左右离开家去学校。
2.描述主语的状态、性质、特征、能力等,目的是为了“描述现阶段的动作或者状态。 
例如:①I don't want so much.我不想要太多。
②Wang An writes good English but doesn't speak well.王安英语写得很好但是说的不好。
3.陈述客观真理,客观存在,科学事实。
例如:①The earth moves around the sun.地球绕着太阳转。
② Shanghai lies in the east of China.上海市在中国的东部。
4.在时间状语从句和条件状语从句中,常用一般现在时代替将来时。例如:If it doesn't rain tomorrow, we'll go to the Summer Palace.如果明天不下雨,我们就去颐和园。
5.表示预先计划或安排好的行为,有些表示状态和感觉的动词表示现在发生的具体行为时,只用一般现在时,而不用进行时态,这样的动词有arrive, be, begin, come, close, depart, end, go, leave, open, return, sail, start, stop等。
例如:The train leaves at seven and arrives in New York at three tomorrow morning.火车7点出发,将于明天凌晨3点达到纽约。
6.小说故事用一般现在时代替一般过去时。新闻报道类的内容,为了体现其“新鲜”性,也用一般现在时来表示过去发生的事情以及电影、剧情介绍、新闻标题或者电视解说,舞台动作说明。
7.存在的状态(对于存在的状态很好理解,但是对于发生的具体动作,则比较难理解.)  
例如:here comes the bus. 汽车来了。
8 表示格言或警句中。 e.g Pride goes before a fall. 骄者必败。 注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。 
例如:Columbus proved that the earth is round.

一般现在时 知识点题库

On an average day most of us _____ our smart phones 47 times, and nearly double that if we’re between the ages of 18 and 24.
A . checked B . would check C . will check D . check
Burning fossil fuels r carbon dioxide into the atmosphere.
I(遗憾)to tell you that I can't spend the weekend with you.
Mr. Black _______ Shanghai in a few days. Do you know when the earliest plane _______ at 8:00 on Sunday.
A . leaves; takes off B . is leaving; takes off C . is leaving; took off D . leaves; is taking off 
A new library ________ downtown. They hope to complete it by the end of this year.
A . has been built B . is being built C . was built D . is building
乐观的人不会过分怀念美好的旧时光,因为他们正忙着创造新的回忆。(create)

At dusk, the sunshine (反射) on Hong Ze Lake, making it shine like a diamond.
Listening is a process that c of hearing, understanding and remembering.
Once the flight is (证实), you can pay for it.
Life c(组成) of not only sunshine but also hard times.
As we know, it will still be some years before all the metro lines in Suzhou _____ into operation.
A . will be put B . are put C . will have been put D . are being put
It's seven thirty.

—I_________ go to school.

A . have got B . have got to C . got to D . had got to
The fact that so many people still smoke in public places____ that we may need a nationwide campaign to raise awareness of the risks of smoking.
A . suggest B . suggests C . suggested D . suggesting
Between the two streets ______a modem building where you can see many famous brands of clothes.
A . have B . has C . stand D . stands
The research center is (attach) to the university.
Entrepreneurs (企业家) need to be creative people who are able to find solutions to problems they e.
His family (be) music lovers.
Both the headsets and the gloves are (连接) to a computer network in the studio.
Though journalists (commit) to presenting the truth, it's better to use our own (judge) than rely entirely on news reports.
The center is well  (equip) for canoeing and mountaineering.