情态动词教学课件

We mustn’t go out.
ቤተ መጻሕፍቲ ባይዱ
2 变一般疑问句并回答。
You must be on time. Must I /we be on time?
must not = mustn’t
禁止
Yes, you must . / No, you needn’t .
You must eat in the dining hall. Must I /we eat in the dining hall? Yes, you must . / No, you needn’t.
Let’s think!
What must we do at home these days? We must learn something.
Let’s think!
What can we do at home these days? We can dance to exercise.
Let’s think!
What can we do at home these days? We can sing to relax.
Let’s think!
What can we do at home these days?
We can write something useful.
Let’s think!
What can we do at home these days?
变否定时直接在情态动词后+ __n__o_t____
It He She You I can sing. We
They
can 是情态动词，无 人称 和 数 的变化。
I can sing.
疑问句
Can you
? Who can sing ?
He can dance. Can he
What can you
Summary
Must I be on time? Yes, you must . / No, you needn’t .
HOMEWORK
一起中学课后练习
THANK YOU!
人教版七年级下册英语PPT星辰中学
can /kæn/ modal v. 能；会 must /mʌst/ modal v. 必须 need /ni:d/ v. & modal v.需要
1
完成译句。
/steɪ/ 我们必须呆在家里。（呆在家里 stay at home）
We must stay at home.
/aʊt/ 我们禁止出门。（出门 go out）
I can speak English.
陈述句
我会唱歌。
I can sing.
I can’t speak English.
我会跳舞。
I can dance.
I can’t sing.
I can’t dance.
can’t = can not
含情态动词can的陈述句
肯定句：主语+情态动词＋_动__词___原__形（+其他）
2. You can’t run in the hallways.
Don’t run in the hallways.
3. They can’t eat in the classroom.
4. He can’t listen to music in class.
5. She can’t fight.
?
do ?
含情态动词can的陈述句变一般疑问句：
把can 提前并大写首字母。
肯定回答：Yes, … can.
否定回答：No, … can’t.
用 can’t 的正确形式填空。 Don’t arrive late for class.
1. We can’t arrive late for class.
防控疫情 宅家学习 星辰网课 祝君前行
年级：七年级 学科：英语
课题：情态动词
授课： 开发团队:《基于“智慧教育”的初中英语写作能力培养策略研究》课题组 课堂要求： 学习建议： 学习内容：1. 情态动词can/must/need
2. 含有情态动词的各种句型（陈述句肯/否定 形式、一般疑问句、特殊疑问句）
Can you speak English? Can you dance? Can you sing?
情态动词
— Yes, I can. /No, I can’t.
情态动词（Modal verbs）本身有一定的词义，是表示语气的单词。 但是不能独立作谓语，只能和动词原形一起构成谓语。
我会说英语。
We can draw meaningful (有意义的) pictures.
/ˈmiːnɪŋfl/
Let’s think!
What can we do at home these days? We can help with housework.
Let’s plan together.
We can have a happy and meaningful winter vacation!