2019教育仁爱版七年级英语上册 Unit 1 Topic 3 Section C 课件共38张PPT数学

an eraser
three erasers
an orange
five oranges
a bus
six buses
a box
seven boxes
A: What are these in English? B: They are pencils. A: Are they pencils? B: Yes, they are.
Ⅲ. 根据各题后括号内的要求完成下列各 题。
1. That is an Eng_r_e__E_n_g_l_is_h__b_o_o_k_s_.____________
2. It is a bus. (改为复数形式)
__T__h_e_y__a_r_e_b_u_s_e_s_.____________________
2.掌握可数名词的单数和复数形式。
3.学习this, that, these, those 的用法。
4.句型： What are they/those? They are … Are they …?
Yes, they are. / No, they aren’t.
（1）用本课所学句型编两则对话,写 在作业本上。
5. What are those? (改为单数形式)
__W__h_a__t _is__th__is_?_______________________
Read and write the words.
name big
sad
seven nine
ten
five
desk map
pen
1.学习本课的生词。
A: What are those in English? B: They are buses.
A: Are they cars?
B: No, they aren’t. They are buses.
可数名词复数变形规则： (1) 在一般情况下直接在词尾加-s; 例如: desk—desks pen—pens
话人较近__ (近 / 远) 的人或物, _t_h_e_se_是 this的复数形式; that和those指距离说 话人较 _远__ (近 / 远) 的人或物, those是 _t_h_a_t的复数形式。
2. this 或that作主语时，系动词be用单 数形式is；these或those作主语时，系 动词be用复数形式are。
3) 词尾若是-f或-fe时，常常先把f 或fe变为v后再加es。
e.g. knife—knives, wife—wives, leaf— leaves
4) 以辅音字母加-y结尾的词，先变y 为i后再加es。
e.g. baby—babies lady—ladies country—countries
— _T_h_e_y_ are boxes. 4. 这是我的课桌，那些是他的书。 (
补全句子)
_T_h_i_s is my desk, and _t_h_o_s_e are his books.
I. 请写出下列名词的复数形式。 1. friend _fr_i_e_n_d_s 2. box _b_o_x_e_s 3. desk d__es_k_s_ 4. pencil _p_e_n_c_il_s_ 5. cake c_a_k_e_s__ 6. bus _b_u_s_e_s_ 7. school _sc_h_o_o_l_s_ 8. year _y_e_a_rs_ 9. apple _a_p_p_le_s_ 10. class _c_la_s_s_e_s
（2）朗读并背诵1a。
Goodbye!
A: Are _th_e_s_e_ eggs?
B: Yes, __th_e_y_ _a_re__.
A: Thank you. B: _T_h_a_t’s_ _O_K___.
A: W__h_a__t __a_r_e__ _t_h_o_s_e__? B: They are books. A: Thanks. B: _Y_o_u_’_r_e_ w__e_lc_o_m__e__.
A: Are those oranges? B: _N_o__, _th_e_y__ a_re_n_’_t_. A: What are they? B: They are _a_p_p_le_s_. A: Thanks. B:Y_o_u_’r_e__ w__e_lc_o_m__e.
近指人或物 远指人或物
pencil—pencils car—cars apple—apples teacher—teachers
(2) 以-s, -x, -ch, -sh 结尾的单词在词 尾加-es; 例如: box—boxes (盒子) bus—buses (公共汽车) watch—watches (手表) class—classes (班级)
Unit 1
Topic 3
How old are you?
Section C
a book
an orange
an egg
a pencil
a map
A: What’s this in English? B: It’s an apple. A: How do you spell it? B: A-P-P-L-E, apple. A: Is this an apple? B: No, it isn’t. It is an orange.
指示代词是用来指示或表示人或事物 的词，表示“这个”、“那个”、 “这些”、“那些”的意思。请观察 下面的例句，补全结论部分所缺内容。
A. This is a bus. 这是一辆公共汽车。 That is a car. 那是一辆小汽车。 These are oranges. 这些是橘子。 Those are eggs. 那些是鸡蛋。
【运用】 请根据括号内的要求完成下列各题。 1. This is a cake. (改为复数句)
T__h_e_se__a_r_e_c_a_k_e_s_. 2. Are those buses? (作否定回答)
_N_o_, _t_h_e_y_a_r_e_n_’_t.
3. —What are those? (补全答语)
单数 this 这
that 那
复数 these 这些
those 那些
What’s this/that in English?
It’s a/an…
What are these/those?
Is this/that a/an…?
They are…
Yes, it is. / No, it isn’t.
Are these/those…? Yes, they are. / No, they aren’t.
【运用】写出下列单词的复数形式。
1. pen — _p_e_n_s____ 2. class — _c_l_a_ss_e_s__ 3. half — __h_a_lv_e_s__ 4. teacher — _te_a_c_h_e_r_s_ 5. city — __c_i_ti_e_s__
this,that,these和those
Let me help you. Thank you!
What are those?
4
3 They are _r_u_le_s_a_n_d_ p_e_n_c_il_s_. ___
A: What are these?
B: _T_h_e_y_ _ar_e_ cars.
A: Thank you.
B: _T_h_a_t_’s_O__K_.
four books eight apples
four buses seven boxes
Look and learn.
What’s this/that? It’s …
What are these/those? They’re …
a book
two books
a ruler
four rulers
—What are these in English? —They’re apples.
—What are those in English? —They are books.
—What are these/those in English? —They’re ...
pencils
apples
3. 从B组可以看出, 含有指示代词(作主 语)的句型“This / That is ...”和
“These / Those are ...”变为一般疑问句时， 需把is或are提至主语前。
4. 询问“物品”时, 问句含有this或that 时, 答语中常用 _i_t 代替this或that；问 句含有these或those时, 答语中常用 _th_e_y_代替these或those。
B. — Is this / that a pen? 这 / 那是一支钢笔吗？ — Yes, it is. 是的, 它是。
— Are these / those oranges? 这些 / 那些是橘子吗? — No, they aren’t. 不, 它们不是。
【结论】 1. 从A组可以看出，this和these指距离说
erasers boxes
Read, number and fill.
（视频P21-1a）
Are those English No, they are maps. books, too?
1
Hi, Miss Wang! What are these? They are _b_o_o_k_s_.
2
Are they English books? Yes, they are.
3. Is this a box? (改为复数形式)
_A__r_e_t_h_e_s_e_b__o_x_e_s_?____________________
4. They are apples. (改为单数形式)
__I_t_i_s_a_p_p__le_._________________________