外研社一起点小学英语四年级下Module1Unit2DontfeedthefishPPT课件2
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must = have to / need to For example:
Keep quiet.
You must keep quiet.
No littering
You must not litter.
Don’t run in the classroom.
You must not run in the classroom.
We use Don’t to tell people not to do something. After Don’t, we use the base form of the verb.
For example:
Keep quiet
Don’t litter. Don’t pick the flowers. Don’t walk on the grass.
Don’t feed the ducks.
Signs
We can also use No + ing in signs.
No climbing
No eating
No littering
What kind of signs can you find in the following places? Think of as many as you can and share your ideas with your classmates and teacher.
In the park
In the park
Don’t climb the trees. Don’t walk on the grass.
Don’t pick the flowers. Don’t feed the birds.
In the classroom
In the classroom
No eating or drinking No running
Example:
In the park
Don’t climb the trees.
We mustn’t climb the trees in the park.
Now you try.
In the park
Don’t ride a bicycle.
We _m_u_st_n_’t_r_id_e_a__bi_cy_c_le_in the park.
No spitting
We _m_u_st_n_’t_s_p_it_______________ .
对本课所学内容进行梳理和 汇总，自己思考和整理本课 的所学与所得。
Make some rules in groups. (in classroom, at school, at the library, at park)
Don’t draw on the desk. Keep quiet.
In the toilet
In the toilet
Flush after use. Wash your hands after use.
Don’t waste the water.
Must
We use must to say that it is necessary to do something.
Signs
A sign tells us to do something or not to do something. For example: No littering
Keep quiet.
Don’t eat in the classroom.
Signs
We often use imperatives in signs.
Outside the classroom
Q-up
We _m_u_st__qu_e_u_e _up__ou_t_s_id_e_t_he__cl_as_s_r_oo_m.
In the classroom
Don’t play football.
We _m_us_t_n’_t_p_la_y_f_oo_t_b_al_l i_n_t_h_e _cl_a_ss_r_oo_m_ .
THE END
Keep quiet.
You must keep quiet.
No littering
You must not litter.
Don’t run in the classroom.
You must not run in the classroom.
We use Don’t to tell people not to do something. After Don’t, we use the base form of the verb.
For example:
Keep quiet
Don’t litter. Don’t pick the flowers. Don’t walk on the grass.
Don’t feed the ducks.
Signs
We can also use No + ing in signs.
No climbing
No eating
No littering
What kind of signs can you find in the following places? Think of as many as you can and share your ideas with your classmates and teacher.
In the park
In the park
Don’t climb the trees. Don’t walk on the grass.
Don’t pick the flowers. Don’t feed the birds.
In the classroom
In the classroom
No eating or drinking No running
Example:
In the park
Don’t climb the trees.
We mustn’t climb the trees in the park.
Now you try.
In the park
Don’t ride a bicycle.
We _m_u_st_n_’t_r_id_e_a__bi_cy_c_le_in the park.
No spitting
We _m_u_st_n_’t_s_p_it_______________ .
对本课所学内容进行梳理和 汇总，自己思考和整理本课 的所学与所得。
Make some rules in groups. (in classroom, at school, at the library, at park)
Don’t draw on the desk. Keep quiet.
In the toilet
In the toilet
Flush after use. Wash your hands after use.
Don’t waste the water.
Must
We use must to say that it is necessary to do something.
Signs
A sign tells us to do something or not to do something. For example: No littering
Keep quiet.
Don’t eat in the classroom.
Signs
We often use imperatives in signs.
Outside the classroom
Q-up
We _m_u_st__qu_e_u_e _up__ou_t_s_id_e_t_he__cl_as_s_r_oo_m.
In the classroom
Don’t play football.
We _m_us_t_n’_t_p_la_y_f_oo_t_b_al_l i_n_t_h_e _cl_a_ss_r_oo_m_ .
THE END