七年级-人教版-英语-下册-Unit-1-Section-A-(Grammar-Focus-3c)

What can you do?
I can dance./I can’t sing.
What club do you want to join? We want to join the chess club.
can’t = cannot
can 随人称的变化而变化吗？
can 没有人称的变化。 不管主语是什么人称， can 及其后面的动词不 会变化。
Unit 1 Can you play the guitar? (Period 2)
Section A (Grammar Focus-3c)
Guessing game
Guess what he/she can do as quickly as you can.
Pair work
A: Can you ...? B: Yes, I can./No, I can’t.
情态动词 can 的用法
1．can 的基本用法
用法
表示能力，意为“能；会”
示例
Tom can speak Chinese. 汤姆会说汉语。 Can you dance? 你会跳舞吗？
Can I help you? 我可以帮你吗？ 表示请求或许可，意为“可以” Can you come to my birthday party?
一般疑问 句
Can+主语+动词原形+其他? 肯定回答：Yes, 主语+can. 否定回答：No, 主语+can’t.
特殊疑问 特殊疑问词+can+主语+动词 句 原形+其他?
示例 Ann can swim. 安会游泳。 Ann can’t swim. 安不会游泳。 —Can Ann swim? 安会游泳吗？ —Yes, she can./No, she can’t.
can’t = cannot
Work in pairs and answer the questions.
1．can 后面的动词形式有什么特点？ 2．can 随人称的变化而变化吗？ 3．can 的否定形式是什么？有缩略形式吗？ 4．can 在一般疑问句和特殊疑问句中需要借助助动词吗？
Can you swim?
Yes, they can./No, they can’t.
What can you do?
I can dance./I can’t sing.
What club do you want to join? We want to join the chess club.
can’t = cannot
can 的否定形式是什么？ 有缩略形式吗？
2．Mike/play basketball/play tennis _C_a_n__M_i_k_e_p_l_a_y_b_a_s_k_e_tb_a_l_l?__N_o_,_h_e__ca_n_’_t,_b_u_t__h_e_c_a_n_p_l_a_y_t_e_n_n_is_.____
3．Jane and Jill/dance/sing _C_a_n_J_a_n_e_a_n_d__J_il_l _d_a_n_c_e?__N_o_,_t_h_e_y_c_a_n_’_t,_b_u_t_t_h_e_y_c_a_n_s_i_n_g_. ________
1．When is the school show? 2．Where is it?
3c What can your group do in the school show? Make a list.
Name Liu Xin
What can you do? do kung fu
Group work
can 的否定形式是在其后 直接加 not，可缩略成 can’t 或 cannot。
Can you swim?
Yes, I can./No, I can’t.
Can he play chess?
Yes, he can./No, he can’t.
Can you and Tom play chess? Yes, we can./No, we can’t.
3a Write questions and answers with the words and phrases.
1．Wu Jun/speak English/speak Chinese 表示前后两个句子的意义对比 _C_a_n__W_u__J_u_n_s_p_e_a_k_E_n_g_Байду номын сангаас_i_sh_?__N_o_,_h_e__ca_n_’_t,_b_u_t__h_e_c_a_n_s_p_e_a_k_C__h_in_e_s_e_.
5．Bill/write stories/tell stories _C_a_n__B_i_ll_w__ri_te__s_to_r_ie_s_?_N__o_, _h_e_c_a_n_’_t,_b_u_t_h_e__ca_n__te_l_l_s_to_r_ie_s_.________
3b Complete the poster with the words in the box.
Yes, I can./No, I can’t.
Can he play chess?
Yes, he can./No, he can’t.
Can you and Tom play chess? Yes, we can./No, we can’t.
Can Jane and Jill swim?
Yes, they can./No, they can’t.
3a Write questions and answers with the words and phrases.
4．Grace/play soccer/play volleyball _C_a_n__G_r_a_c_e_p_l_ay__s_o_c_ce_r_?_N__o_, _s_h_e_c_a_n_’t_,_b_u_t_s_h_e_c_a_n_p_l_a_y_v_o_l_le_y_b_a_l_l.__
·Divide the class into groups of 6 students. ·A student in your group will be the investigator, he/she
will ask every member in the group about their abilities. ·Another student in the group will record the answers. ·Then the third student in the group will make a report to the whole class.
Can Jane and Jill swim?
Yes, they can./No, they can’t.
What can you do?
I can dance./I can’t sing.
What club do you want to join? We want to join the chess club.
Read the poster and answer the questions.
1．What can students do in the school show? They can sing, dance, play the guitar and tell stories.
2．If you want to join the show, who do you need to talk to? Mr. Zhang.
sing or dance? Can you play the guitar? Can you
正文（包括活 tell stories? Please talk to Mr. Zhang after school.
动名称、应聘
者所需才能、 活动联系人等）
与正文相配的图片
Look at the poster and answer the questions.
你能来参加我的生日聚会吗？
表示推测，意为“可能”，常 Tom can’t be at home. 汤姆不可能在家里。
用于否定句和疑问句中
Can it be true? 它可能是真的吗？
情态动词 can 的用法
2．can 构成的各种句式
句式类型
句式结构
肯定句 主语+can+动词原形+其他.
否定句 主语+can’t+动词原形+其他.
play sing tell dance
Students Wanted for School Show We want students for the school show. Can you _s_in_g_/_d_a_n_c_e_ or _d_a_n_c_e_/s_i_n_g_? Can you _p_l_a_y_ the guitar? Can you __te_l_l _ stories? Please talk to Mr. Zhang after school.
Read the poster again and pay attention to the basic elements of a post.
标题
Students Wanted for School Show
We want students for the school show. Can you
是的，她会。/不，她不会。
What can Ann do? 安会做什么？
情态动词 can 的用法
典例
Bob can ____D____ well, so he wants to join the art club.
A．draws
B．to draw C．drawing
D．draw
点拨
可用语法判断法解答本题。can 是情态动词，后面跟动 词原形。因此，正确答案是D。
Yes, I can./No, I can’t.
Can he play chess?
Yes, he can./No, he can’t.
Can you and Tom play chess? Yes, we can./No, we can’t.
Can Jane and Jill swim?
Yes, they can./No, they can’t.
What can you do?
I can dance./I can’t sing.
What club do you want to join? We want to join the chess club.
can’t = cannot
can 后面的动词形式 有什么特点？
can 后面用动词原形。
Can you swim?
点击开始结束
write show or talk talk to ... kung fu
v. 写作；写字 n. 演出；节目 v. 给……看；展示 conj. 或者；也不（用于否定句） v. & n. 说话；交谈 跟……说 n. （中国）功夫
Grammar Focus
Can you swim? Can he play chess? Can you and Tom play chess? Can Jane and Jill swim? What can you do? What club do you want to join?
Yes, I can./No, I can’t. Yes, he can./No, he can’t. Yes, we can./No, we can’t. Yes, they can./No, they can’t. I can dance./I can’t sing. We want to join the chess club.
can’t = cannot
can 在一般疑问句和特 殊疑问句中需要借助 助动词吗？
can 的疑问句不需要借助 助动词，直接将 can 提 前，变为疑问语序。
情态动词 can 的用法
情态动词是动词的一种，表示说话人的语气和态度等，没有人称和 数的变化，有一定的意义，但不能单独使用，不能单独做谓语，必 须和实义动词或连系动词一起构成谓语。常见的情态动词有 can, need, may 等。
Can you swim?
Yes, I can./No, I can’t.
Can he play chess?
Yes, he can./No, he can’t.
Can you and Tom play chess? Yes, we can./No, we can’t.
Can Jane and Jill swim?