一、一般现在时概念
经常、反复发生的动作或行为及现在的某种状况
I always get up at seven o’clock.
我早上总是7点钟起床。
He usually visits her grandparents on weekends.
他通常在周末去看望他的祖父母。
We sometimes eat outside.
我们有时在外面吃饭。
You always blink when you tell a lie.
你说谎的时候总是眨眼睛。
二、基本结构
动词原形(如主语为第三人称单数,动词上要改为第三人称单数形式)
We always have seven classes every day.
我们每天上七节课。
It seldom snows here.
这很少下雪
He is always ready to help others.
他随时准备帮助其他人。
Action speaks louder than words.
行动胜于空谈。
否定形式:am/is/ are+ not;此时态的谓语动词若为行为动词,则在其前加dont,如主语为第三人称单数,则用doesnt, 同时还原行为动词
He is always ready to help others.
变成否定句:He isn’t always ready to help others.
We always have seven classes every day.
变成否定句:We don’t always have seven classes every day.
He usually visits his grandparents on weekends.
变成否定句:
He doesn’t usually visit his grandparents on weeks.
一般疑问句:把be动词放于句首;用助动词do提问,如主语为第三人称单数,则用does,同时,还原行为动词。
We always have seven classes every day.
变成一般疑问句:
Do you always have seven classes every day?
Action speaks louder than words.
变成一般疑问句:
Does action speak louder than words?
He is good at expressing himself.
变成一般疑问句:
Is he good at expressing himself?
三、一般现在时的用法
1、习惯
一般现在时表示经常性动作或状态时,常与often, always, usually, sometimes, every day等时间状语连用。
The shop opens at nine every day.
这家商店每天九点开门。
It seldom snows here.
这儿很少下雪。
2、真理
一般现在时表示客观存在或普遍真理
Light travels faster than sound.
光速比声速快。
Food easily goes bad in hot weather.
天气热时食物容易坏
The moon goes round the earth.
月亮绕着地球转。
3、性质
一般现在时表示主语的特征或状态
The picture looks very beautiful.
这幅画看起来很美。
Air contains oxygen and nitrogen.
空气含有氧和氮。
She speaks English, French and Chinese.
她说英语,法语和中文。
4、 将来
一般现在时在时间和条件状语从句中表示将来的动作或状态
Ill tell her about it as soon as I see her.
我一见到她就告诉她这件事。
When does the train arrive?
火车几点到?
I will go with you to the hospital when I have time tomorrow.
明天有空的话我就跟你去医院。
四、一般现在时的标志词
always, usually, often,
sometimes, every week (day, year, month…),
once a week, on Sundays
五、词形变化
当主语是第三人称单数,he,she,it
人名:Mary , Tom, Tony, Mike
谁的谁:my father,your mother, his sister, our teacher
可数名词单数:a horse, this book, the moon, the earth
不可数名词:water, paper, time, money
非谓语:to do , doing 等,
时态是一般现在时时,动词应用第三人称单数形式。
动词第三人称单数构成如下:
1.一般动词 词尾加-s like—likes write-writes work-works
2.以ch,sh,s,o,x结尾,词尾加-es,
teach—teaches do—does wash—washes
3.以y结尾:辅音字母+y,变y为i,加-es,
study—studies carry—carries try—tries
4.元音字母+y,直接加-s,
play—plays stay—stays say—says
5.have—has be –is
六、 基础过关
1.He often ________(have) dinner at home.
【解析】他经常在家里吃饭。经常性的动作用一般现在时。主语是he 第三人称代词要跟谓语的第三人称单数。答案为has
2.Daniel and Tommy _______(be) in Class One.
【解析】be 动词的一般现在时有am, is, are ,我是am, 你是are, is 用于他她它,单数is,复数are,变疑问be前提,句尾问号莫忘记,变否定也简单,be 后只把not添。本题的主语是两个人,所以用are
3. We __________ (not watch) TV on Monday.
【解析】我们周一不看电视。On Monday , on weekends 用一般现在时,一般现在时的否定句,有be动词,情态动词的在后面直接加not. 行为动词应加上助动词,do , does 加not. 本题主语为we 所以用助动词do. 答案为don’t
4. What _______they often _______(do) on Saturdays?
【解析】有标志词often , 还有on Saturdays, 主语为they, 助动词提问为do ,有助动词后面的动词变为动原。所以答案为do, do
5. ______ your parents _______(read) newspapers every day?
【解析】every day 每天,副词 everyday 每天的,形容词。Every day 是一般现在时的标志词。一般现在时的疑问句. 句中的谓语动词为行为动词,加助动词, do 或does, 主语是你的父母两人。所以用do.答案为:Do,read
6. There ________(be) some water in the bottle.
【解析】there be 句型在肯定句中be 只有两种形式, there is;there are. There be 句型be 的形式取决于后面的主语。如果是可数名词的单数,不可数名词 be 动词为is,如果是复数名词谓语动词用are. 答案为is
7. My aunt _______(look) after her baby carefully.
【解析】我阿姨照顾她的孩子很细心。这是一个人的性格使然。所以用一般现在时表示。My aunt 是第三人称单数。谓语动词为Looks
8. The child often _______ (watch) TV in the evening.
【解析】in the evening 在晚上,the child 是第三人称单数。所以谓语为第三人称单数 watches. 以s, x, sh, ch 结尾的谓语动词加-es.
9.What _______(do) he usually ________ (do) after school?
【解析】after school 放学后,一般现在时的特殊疑问句。主语为he 助动词用does .后面的动词要还原成动词原形。
七、 能力提高
1.Daniel watches TV every evening.(改为否定句)
Daniel doesn’t watch TV every evening.
【解析】肯定句变成否定句有Be动词,或情态动词在be和情态后加not. 当谓语动词为行为动词时,加助动词。Do, does 再加not. 注意,原来为第三人称单数的动词变成原形。
2. Amy likes playing computer games.
(改为一般疑问句,并作肯定回答)
Does Amy like playing computer games?Yes, she does.
【解析】一般现在时的疑问句,有be 动词,be 提前,有情态动词,情态动词提前,都没有的话加助动词。Do 或does. Amy 为第三人称单数。所以用does 同时把原动词变成动原。
3. I like taking photos in the park.(对划线部分提问)
Where do you like taking photos?
【解析】对划线部分提问,首先要确定用where, why, what.然后加上一般疑问句。
4. She is always a good student.
(改为一般疑问句,作否定回答)
Is she always a good student?No, she isn’t.
【解析】变成一般疑问句,有be 动词的be提前。
5. My dog runs fast.
1 变成否定句
2变成一般疑问句
否定句: My dog doesn’t run fast.
一般疑问句:Does your dog run fast?
【解析】否定要看句中有没有be动词和情态动词。本题中没有所以要加助动词,do 或does。My dog 是三单,所以要用does。 一般疑问句也用does.同时动词三单变原形。
6. I usually play football on Friday afternoon.
1 变成否定句
2变成一般疑问句
3.对画线部分提问.
否定句: I don’t usually play football on Friday afternoon.
一般疑问句: Do you usually play football on Friday afternoon?
划线提问:What do you usually do on Friday afternoon?
【解析】看题中谓语动词为行为动词,否定加don’t. 疑问加do.划线部分提问用what+一般疑问句。
7. Sun Yang usually washes some clothes on Sunday.
1 变成否定句
2变成一般疑问句
3.对画线部分提问.
否定句: Sun Yang doesn’t usually wash any clothes on Sunday.
一般疑问句: Does Sun Yang usually wash any clothes on Sunday?
划线提问: What does Sun Yang usually do on Sunday?
【解析】谓语动词为行为动词,主语为第三人称单数,否定时加doesn’t, 疑问时加Does, 特殊疑问what+一般疑问。
注意:动词三单要还原成动词原形。
8.改错(划出错误的地方,将正确的写在横线上)
He likes play games after class.
【解析】一般现在时主语是he 是谓语用likes 没有错误。但是like to do , like doing 两种用法。 经常性的用doing。 一次性的用to do .
9.改错(划出错误的地方,将正确的写在横线上)
Mr. Wu teaches us English.
【解析】 主语为Mr. Wu 谓语为teaches.动词变成三单形式,以s, x, sh, ch 结尾的动词加上es. 答案为teaches. teaches
10.改错(划出错误的地方,将正确的写在横线上)
She don’t do her homework on Sundays.
【解析】主语为she, 否定时用doesn’t 而不用don’t.