牛津译林版七年级上册英语Unit2Grammar课件

◇行为动词一般现在时的肯定形式
1.I come from Yangzhou.
2. We have lunch at school.
3. You play football very well.
4. They often go shopping at weekends.
3. She sings very well in our class.
often ___r_e_a_d_s__（读）story books.
1. 谈论经常做的事。 2. 谈论总是正确的客观事实。
3. 谈论现在是正确的事实。比如爱好、能力等。
请判断下列句子是哪种情况 1) Tigers eat meat.
(_________________________) 2) She has an e-dog.
1) 否定句是在行为动词前添加__d_o_n_’_t__或__d_o_e_s_n_’_t_。当主语
是第三人称单数时，助动词用doesn’t。
2) do not =____d_o_n_’_t____ does not =___d_o__e_s_n_’_t____ 3)注意在否定句中，助动词之后的行为动词均用__原______形。
当谈论经常性、习惯性的动作，爱好，能力等时， 常用行为动词的一般现在时。
当谈论经常性、习惯性的动作，爱好，能力等时， 常用行为动词的一般现在时。
like dances goes plays watches
Does Amy like dancing ? No, she doesn’t like dancing. Do you like dancing ? No, I don’t like dancing.
◇行为动词一般现在时的一般疑问句及其回答 1.– Do you like sports? – Yes, I do. 2.--- Does Millie speak Chinese very well? ---No, she doesn’t. 【观察与思考】 1) 行为动词一般现在时的一般疑问句直接把助动词do或does放
2) She has an e-dog. (_t_h_i_n_g_s_t_h_a_t_a_r_e_t_r_u_e_n_o_w_____)
3) She lives in Beijing. (__t_h_in__g_s_th__a_t _a_r_e_t_r_u_e_n_o_w____)
4) I listen to English every day. (__t_h_in_g_s__th_a_t__w_e_o_f_t_e_n_d_o_____)
play plays
have has
写出下列动词的第三人称单数形式
put—— puts write—— writes play—— plays guess—— guesses go—— goes
enjoy—— enjoys fly—— flies have—— has match—— matches
(_________________________) 6) He plays football after school.
(_________________________)
请判断下列句子是哪种情况
1) Tigers eat meat. (__t_h_in_g_s__th_a_t__a_re__a_lw__a_y_s_t_r_u_e_)
Kobe ___p__la_y_s____（打）basketball very well. Many students ___l_ik_e_____（喜欢）him. They often ___w__a_tc_h____（观看）his games on TV. In my free time I ____li_k_e___（喜欢） watching TV, too. But my sister ___l_ik__es____（喜欢）reading. She
◇行为动词一般现在时的否定句
1.We do not go to school at weekends.
=We don’t go to school at weekends.
2. He does not study in Class 4, Grade7.
=He doesn’t study in Class 4, Grade 7. 【观察与思考】
__主__语__之___前____。
2）行为动词一般现在时的一般疑问句直接把助动词do或does放在
__主__语__之___前__。
Does Does Does Do
No, she doesn’t Yes, she does. No, he doesn’t
No, they don’t.
Do
Unit 2 Let’s play sports !
They are basketball players. They play basketball very well.
This is Kobe. He is very tall. He looks strong. He plays basketball very well.
Kobe ___________（打）basketball very well. Many students __________（喜欢）him. They often ___________（观看）his games on TV. In my free time I _________（喜欢） watching TV, too. But my sister __________（喜欢）reading. She often _________（读）story books.
4. He does his homework in the evening. 【观察与思考】
1.句中行为动词的形式由_____主___语_____决定。
2.当主语是第一、第二人称和第三人称复数时，
行为动词使用其___原___形，如__c_o_m__e_,_h_a_v__e_, _p_l_a_y_g__o__。
(_________________________) 3) She lives in Beijing.
(_________________________) 4) I listen to English every day.
(_________________________) 1)5) Fish lives in water.
3.当主语是第三人称单数时，行为动词使用其第三人称
___单___数___形式, 如__si_n_g_s_,_d__o_e_s____。
动词的第三人称单数构成
1 直接在动词后面加 s
read reads cook cooks
bring brings use uses
2 以 sh，ch，s, x和o结尾的动词加 es
play
playDogowatches reads
shops
stay
go
1)5) Fish lives in water. (_t_h_i_n_g_s_t_h_a_t_a_r_e_a_l_w_a_y_s__tr_u_e__)
6) He plays football after school. (__th_i_n_g_s_t_h_a_t_w__e_o_f_te_n__d_o_____)
4. He does his homework in the evening. 【观察与思考】 1.句中行为动词的形式由_____________决定。 2.当主语是第一、第二人称和第三人称复数时， 行为动词使用其______形，如______________________。 3.当主语是第三人称单数时，行为动词使用其第三人称 _________形式, 如_______________。
miss misses finish finishes go goes
watch watches fix fixes teach teaches
3.以辅音字母加y结尾的，把y改成ies
fly flies
study studies
4.以元音字母加y结尾的动词，直接加s
say says 5.不规则动词
◇行为动词一般现在时的肯定形式
1.I come from Yangzhou.
2. We have lunch at school.
3. You play football very well.
4. They often go shopping at weekends.
3. She sings very well in our class.
在_主___语__之__前___。 2) 助动词之后的行为动词均用_____原______形。
◇be动词与行为动词一般现在时的一般疑问句及其回答的区别 1. ---Are you good at playing volleyball? ---Yes, I am. 2. ---Do you often play volleyball in your free time? ---Yes, I do. 【比较与思考】 1） be动词一般现在时的一般疑问句直接把be动词放在