初中英语八大时态PPT课件

把下列句子改为否定句
1.My father has an egg for breakfast . My father doesn’t have an egg for breakfast .
2.Li Lei does his homework after school. Li Lei doesn’t do his homework after school.
exercise
把下列句子改为一般疑问句
1.He has a meeting on Sundays . Does he have a meeting on Sundays ?
2.He goes to school at seven in the morning . Does he go to school at seven in the morning?
3.My father and mother go out for lunch on Sundays. Do your father and mother go out for lunch on Sundays ?
4.We do our homework after school.
Do you do your homework after school ?
Review of Tenses
初中英语八大时态
教学重、难点
1、The Simple Present Tense 一般现在时态
一般现在时
• 表示经常发生的动作或存在的状态 • 常与every day , on Sundays, sometimes , often
，usually ,always,等连用 • 结构 ： 1、主语+动词原形+其他 • Eg. • I have a meeting on Sundays . • They visit their parents once a month.
I am a teacher. You are a worker. He is a student.
We are friends.
Are you a teacher?
ቤተ መጻሕፍቲ ባይዱ疑 问
Are you a worker?
句 Is he a student?
Are you friends?
2.对于实意动词，疑问句要求是：当主 语是他(he)，她(she)，它(it)时，句子前 面加does，并把动词恢复原形；当主语 是其他人称时，句前加do ，第一人称 (I/we) 换第二人称(you)。
3.We do our homework at home. We don’t do our homework at home .
4.They have a meeting every morning . They don’t have a meeting every morning .
用所给动词的正确形式及助动词填空
I’m not a teacher
You are a worker 否定句 You aren’t a worker
She is a doctor
She isn’t a doctor.
We are friends.
We aren’t friends.
is not=isn’t
are not=aren’t
She doesn’t like it very much.
We don’t go to work by bike.
III一般疑问句
概念：用 yes 或 no 来回答的疑问句叫做一般疑问句。 一般疑问句句首的第一个词一般读得比较重。
1.对于be 动词，疑问句要求把be 提前， 第一人称变成第二人称。
I often go there. You like the music. He goes to work by bus . We /You/They like it.
Do you often go there ? Do you like the music.? Does he go to work by bus ? Do you/they like it?
carryies do es wash es visit s exercise s enjoy s jump s hhaavse
一般现在时否定式
be + not don’t do / doesn’t do
II 一般现在时的否定式
1.Be 动词的否定式: be + not
I am a teacher.
注: 主语(三单)+ 动词(第三人称单数形式)+其他
Eg. 1) She likes it very much.
2) She usually goes to school at 7 o’clock every morning.
动词第三人称单数形式
·在动词后+s
· 在以s,x,ch,sh,o结尾的动词+es · 以辅音字母+y结尾的动词，
2. 当 主 语 是 单 数 第 三 人 称 时 ， 它与助动词Does有关，但是 动词谓语一定要恢复为原形。 当主语是其他人称时，它与 助动词Do有关。
I like English. She likes it very much. We go to work by bike.
否定句
I don’t like English.
先变y 为i，再加es
·特殊 have-has 等
写出下列动词的第三人称单数形式
help s guess es flyies makes leaves fix es swim s know s
play s
close s
go es studyies gets read s bring s watch es
1. We often __p_la_y_ (play) in the playground. 2. He _g_et_s_ (get) up at six o’clock. 3. _D_o_ you b_r_u_s_h (brush) your teeth every morning? 4. What d_o_e_she usually_d_o_ (do) after school? 5. Danny_s_t_ud_i_e_s (study) English, Chinese, Maths, Science and Art at school. 6. Mike sometimes _g_o_es__(go) to the park with his sister. 7. She w_a_t_ch_e_s (watch) TV with his parents every evening. 8.D__oe_s_ Mike _r_ea_d_(read) English every day?