一般现在时讲解

• 如： ①"6" is a lucky number.
•
②"I" is a letter.
动词+s的变化规则
• 1．一般情况下，直接加-s， • 如：cook-cooks, milk-milks • 2．以s. x. sh. ch. o结尾，加-es，
如：guess-guesses, wash-washes, watch-watches, go-goes
2 One of the boys_____ a black hat.
•
A have
B there is
C there are
D
has
3 We will go shopping if it____ tomorrow.
• 4 He said the sun ____in the east and ____in the west.
3．以“辅音字母+y”结尾，变y为 i, 再加-es，
如：study-studies
• (一)、 单选
自我检测：
1 Jenny ____ in an office. Her parents ____in a hospital.
•
A work; works
B works; work
•
C work; are working D is working; work
• (2) 句中如果没有be动词(am , is ,
are )或情态动词(may , can , must
, should)时，主语为第三人称单 数
（she ,he ,it ）、单数可数名词 、不
即在句首加does， 句子中原有动词用原形
• 例： • —Does he like Chinese? 他喜欢
实义动词的一般现在时
Ann gets up at 8 o’clock every morning. She studies hard./She works hard.
1.第三人称单数（he/she/it）+ 动词第三人称单数现在式
We want to take a trip during the holidays. You do a very good job in cooking. They all run fast in the sports meeting.
• A are， is B is， are C are ，are
with the watch.
•
③This is a pen.
•
④That is an eraser.
• 五、不可数名词作主语时为第三人称 单数。
• 如： ①The milk is in the glass.
•
②The bread is very
small.
• 六、当数字或字母作主语时，看作第 三人称单数。
school.
• • 4The pot_____(not look) like yours very
much.
口诀：
•见助动，用原形 • does、has永不见
一般现在时通常表示 经常发生的动作或存在的状态
I am a pupil. We go to school every day. Nancy teaches us English.
•
6 Jenny____ English every evening.
• • (二)、填空
• • 1 I can take Li Ming there when he
_____ ( come) to visit.
• • 2 _____your sister_____(know)English?
• • 3Her home____ _____ ______(远离 )her
表示永恒不变的事实或真理
Pride goes before a fall. Knowledge is power.
用在格言、谚语中
• 单选
• (C)1.Big B a cat, small b a snail. • A is， are B are， is C is， is
• (B)2.Mum is a big G, the baby on a small g. Mum and the baby, they very very happy.
表示经常性或习惯性的动作， 常与 always, often, usually, seldom, every day, sometimes 等连用。
e.g. He can swim. I work hard. I like watching TV.
表示主语的特征、性格、能力、爱 好等。
A bird flies with wings. Beijing lies in the north of China. The earth goes round the sun.
• 2.疑问句：
• (1)一般现在时中，句中有be动词 (am , is , are )或情态动词 (may , can , must , should)时，一 般 疑问句将be动词或情态动词放在 句
• 由肯定句变为一般疑问句的步骤：
• a. 把be 动词（am , is , are ） 或情态动词(may , can , must , should)提前。
I work hard. I like watching TV.
3)表示客观真理 e.g. There are seven days in a week.
The moon moves round the earth.
结构：
• 按正常语序，
•
主语+谓语+其它
• 有时为了起强调作用，时间状语也可提前.
•
④The cat is Lucy's.
• 四、不定代词someone, somebody, nobody, everything, something等 及指示代词this, that作主语时，是 第三人称单数。
• 如： ①Everyone is here.
•
②There is something wrong
She was thin then, but now she is a little fat. I can’t swim. But I will learn. Look! My friends are swimming now.
Be动词的一般现在时 1.第一人称单数（I）+ am
I am a doctor. I am hungry.
动词时态练习题 一般现在时
一、定义：
一般现在时表示经常或习惯性 的动作，也可表示现在的状态或 主语具备的性格和能力。
1)经常性、习惯性的动作或存在的状态。 e.g. I go to school on foot. He is very busy now.
2)表示主语的特征、性格、能力、爱好等。 e.g. He can swim.
2.第三人称单数（he/she/it）+ is She is a kind teacher. It is cloudy today.
3.第二人称单数（you）/个人称复数 （we/they/you）+ are
You are a handsome boy. They are busy with their homework every day.
e.g. I am not a teacher. He can not fly .
• (2) 句中没有be动词(am , is , are )或情态动词(may , can ,
must , should时，主语为第三人称 单数的否定句，
在动词原形前加does + not (doesn’t)。
• He doesn’t like cats.
• -- Do you like monkeys? • -- No, we don’t. • -- Do students study Englsih ? • --Yes , they do.
• 3. 否定句：
• (1)句中有be动词(am , is , are ) 或 情态动词(may , can , must , should) 时，否定句在be动词和情态动词后 加not。
A rose; set B rises; sets
C rises, set D rise; sets
• 5 Wang Mei ____ music and often ____ to
music.
• • A like; listen
listens
B likes;
• C like; are listening D liking ; listen
③Uncle Wang often makes cakes.
• 三、单数可数名词或"this / that / the+单数可数名词"作主语时，是 第三人称单数。
• 如： ①A horse is a useful animal.
•
②This book is yours.
•
③That car is red.
二、用法
• 1．肯定句：
• 一般现在时中，没有be动词和情 态动词，主语为第三人称单数 （she ,he ,it ）、单数可数名词、 不可数名词的，动词要按规则加上 s或es。
• 主语是复数可数名词的肯定句，动 词用原形。
• 例： • She（He,It ）likes fish. 她（他，它）喜
汉语吗？
• —Yes, he does. 是的，他喜欢 (汉语)。
• —Does a dog eat meat? 狗吃肉 吗？
• (3) 句中如果没有be动词(am , is , are )或情态动词(may , can , must , should)时，主语为复数可数名词 的 疑问句要用do 来提问。
• 如： He likes watching TV. • She has lunch at twelve. • It looks like a cat.
• 二、单个人名、地名或称呼作主语 ；是第三人称单数。
• 如：
•
①Han Mei looks like her
mother.
②Beijing is in China.
I用 am，You 用are，
is连着he, she, it（他她它）。
名词单数用is，名词复数都用are.
I am = I’m you are= you’re he is = hee’re they are =they’re
2.第一、二人称单数（I/you）/各人称复数 （we/you/they）+ 动词原形
一般现在时的基本用法
I leave home for school at 7 every day. Bob always helps the old man. It seldom rains in summer here. We usually go home on foot. They sometimes go swimming on Sundays.
• (3)句中没有be动词(am , is , are )或情态动词(may , can , must , should)时，主语为复数可数名词的 否定句，
在动词原形前加do + not (don’t)。
• They don’t go to school on Sundays.
第三人称单数
• 一、人称代词he, she, it是第三 人称单数。
欢鱼。 • （主语为第三人称单数） • • The table has four legs.桌子有四条腿。 • (主语为单数可数名词) • • Water boils at 100 degrees Celsius.水在
100度沸腾。（主语为不可数名词）
• They go to school every day .他们每天都 去上学（主语是复数可数名词的，动词用原形
• b.大写和小写的转换，句首的第一 个字母要大写。
• c.句末要加问号。
• 肯定句：She is a student . • 疑问句：Is she a student ?
• 肯定句: He can swim. • 疑问句：Can he swim? .
• 疑问句的回答：用什么问就用什么来回答。 • -Is she a student ? • -Yes, she is . • -Can you swim? • -Yes, I can .