小学英语语法 一般现在时详细讲解PPT课件

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一般现在时
(否定句)
1、I am a teacher.否:I am not a teacher. 2、He is a student.否: He is not a student. 3、You are a boy.否: You are not a boy.
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变否定句
☺主语(He/She/It)+ does+not+动词原形+其他 如:He doesn’t stay at home on Saturdays. Lucy doesn’t have sports every day.
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3) 一般疑问句及其肯、否定回答:
☺Do+主语(I/we/you/they)+动词原形+其他? 如:Do you stay at home on Saturdays? Yes,I do./No,I don’t. Do they have sports every day? Yes, they do./No, they don’t.
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变一般疑问句
We go to school every day. Do you go to school every day?
②This book is yellow. 这本书是黄色的。 ③That car is red. 那辆小汽车是红色的。 ④The cat is black. 这只猫是黑色的。
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3、实义动词第三人称单数的动词形式变化规则
一般情况下直接加-s walk—walks
以s. x. sh. ch. o尾 watch—watches
watches washes teaches 3、以辅音字母加o结尾,一般加es ,如:does, goes 4、“元音字母+y”结尾的单词,直接在词尾加s。
如:plays, says 5、辅音字母+y结尾的第单16页词/共,58去页 y,加ies,
sits sit____s_it_s__
swimsw_i_m__s____
go __g_oes _
ddooe_s______
make _m__a_k_e_s__
write_w__ri_te_s___ cry__c_ri_e_s___
ru_sneru_e_ns_s_____ see_ _____
studys_tu_d_i_e_s____
watch_w__a_tc_h_e_s waswh_a_s_h_e_s__
{ 1. be动词: 主语 + be
am is(单三) +其它
are
如:I am a boy. 我是一个男孩。 He is a boy.他是一个男孩。
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2. be 动词的一般现在时的基本句型
☺肯定句:主语+be+其它
如: He is a worker.
You are thirteen.
I am a good boy. I am not a good boy.
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变否定句
They are students. They are not students.
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变否定句
She can speak English. She can not speak English.
often(经常)
sometimes(有时)
hardly(几乎不)
rarely(很少)
never(从不)
every day(每天)
every year(每年)
all the time(所有时间)
on Monday(在星期一) in January (在某月)
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一. be动词的一般现在时
②Beijing is in China. 北京在中国。 ③Uncle Wang often makes cakes.
王叔叔经常做蛋糕。
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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。
①A panda is a shy animal. 熊猫是害羞的动物。
☺否定句:主语+ be+ not+其它
如: He is not a worker.
You aren’t thirteen.
☺一般疑问句:Be+主语+其它?
如: Is he a worker? Yes, he is./No, he isn’t.
Are you thirteen? Yes, I am ./No, I am not.
在句首加do,句子中动词用原形。主
语为第三人称单数,一般疑问句在句
首加does,句子中原有动词用原形;
Some变any.
例如
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一般现在时 (一般疑问句)
1、I go to school by bus. 疑问句: Do you go to school by bus. 2、He goes to school by bus. 疑问句: Does he go to school by bus.
我的功能
1. 表示经常性、习惯性的动作或状态
I wash the dishes every day. You sometimes take a bus home. They usually have lunch at 11:30. He always gets up early.
She is often late for school.
加-es
go—goes
“辅音字母+y”结尾 变y为i, 再加-es,
fly—flies
have→has
特殊情况
do→does
go→goes
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当主语是第三人称单数时,动词需变化. 动词单三的变化: 1、一般情况下,直接加s,如:
reads, plays, works, makes 2、以s, x, ch, sh结尾,后加es. 如:
☺Does+主语(he/she/it)+动词原形+其他? 如:Does he stay at home on Saturdays? Yes,he does./No,he doesn’t. Does Lucy have sports every day? Yes,he does./No,he doesn’t.
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4) 特殊疑问句: 疑问词+ do/does+主语+动词原形+其他?
如: What do you want? What does she want?
What time do you have lunch? What time does she have lunch?
What do you do? What does she do?
2) My father go to work by bike everyday. 对划线部分提问: How does your father go to work everyday?
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一般现在时
(否定句)
在一般现在时中,句 中有be动词或情态动词 (can等)时,否定句在 be动词和情态动词后加 not。 例如
say_s_a_hy_as_s__ _ have______
playp_la_y_s____ taket_a_k_e_s___
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4、实义动词的一般现在时的基本句型
1) 肯定句:
☺主语(I/We/You/They)+实义动词原形+其他 如:I stay at home on Saturdays. They have sports every day.
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一般现在时
(否定句)
句中没有be动词或情态动 词时,主语为第三人称单数的 否定句在动词前加does not (doesn’t),非单三时,否定 句在动词前加do not(don’例t如)
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一般现在时 (否定句)
1、I go to school by bus. 否: I don’t go to school by bus. 2、He goes to school by bus. 否:He doesn’t go to school by bus.
{行为动词原形
主语 +
(+其它)。
行为动词的单数第三人称形式
如:We study English.我们学习英语.
He studies French.
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哪些主语是第三人称单数?
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一、人称代词he, she, it是第三人称单 数。
2. 表示表示客观事实
You are 13. He is a student.
You study at Olympic Garden Middle School.
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3. 表示永恒不变的真理;
The moon goes round the earth.
always(总是)
usually(通常)
They are teachers.
Can you swim? Are they teacher?
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变一般疑问句
Ben is my friend. Is Ben your friend?
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一般现在时 (疑问句)
句中没有be动词或情态动词时,
主语为非第三人称单数,一般疑问句
He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。
It looks like a cat. 它看起来像只猫。
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二、单个人名、地名或称呼作主 语;是第三人称单数。
①Han Mei looks like her mother. 韩梅看起来像她的母亲
☺特殊疑问句:疑问词+be+主语+其它?
如: What is he?
What colour is that bird?
How old are you? Where are they ?
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二. 实义动词的一般现在时
1、什么叫实义动词?
实义动词是指表示有具体意思的动词, 也叫行为动词。 如: like(喜欢), eat(吃), live(居住), have(有), run(跑) 等等。 实义动词占英语中动词的绝大多数。
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变否定句
I study English every day.
I don’t study English every morning.
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变否定句
She speaks Chinese well. She doesn’t speak Chinese well.
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How do you spell it? 特殊疑问句: 疑问词+一般疑问句? How does he spell it? 直接回答,而不用yes 或no.
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5.一般现在时的句型变换 1) I usually play football on Friday. 改为一般疑问句: Do you usually play football on Friday? 对划线部分提问: What do you usually do on Friday?
一般现在时 (疑问句)
句中有be动词或情态动词时,be 动词或情态动词can提前,首字母变 为大写;some 变any
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例如
一般现在时 (一般疑问句)
He is a student. You are a boy.
Is he a student? Are you a boy?
I can swim.
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我们已学过的be 动词可译成“是”, 有时译成“成为”,有时则没有具体意 思如: “She is tall.”这句译页/共58页
2、一般现在时实义动词作谓语的时侯有两种形式:
1. 动词原形;如: enjoy 2. 第三人称单数动词形式;如: enjoys
☺主语(He/She/It)+实义动词单三形式+其他 如:He stays at home on Saturdays. Lucy has sports every day.
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2) 否定句:
☺主语(I/We/You/They)+ do+not+动词原形+其他 如:I don’t stay at home on Saturdays. They don’t have sports every day.
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