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You’re not supposed to kiss.
When were you supposed to arrive?
I was supposed to arrive at 7:00.
Grammar Focus
Am I supposed to wear jeans?
No, you’re expected to wear a suit and a tie.
Is it impolite to keep others waiting?
Yes, it’s very impolite to keep others waiting.
Is it important to be on time?
Yes, it’s important to be on time.
Grammar Focus
You are supposed to…
visiting someone’s home
call first, and knock at the door
making plans with friends
Discuss the plan, call to make changes.
being on time
always on time or a little early.
giving gifts
Festival gifts being
necessary.
be supposed to的用法
be supposed to do sth相当于 should do sth 或者是be expected to do sth.人称,时态和句式体现在be的变化上,to为不定式符号后接动词原形。
句式:
1)肯定句: be supposed to do sth
2)否定句:be not supposed to do sth 相当于shouldn’t do sth. 或 be not allow to do sth.意为“不应当做某事;不被允许做某事”。
You are not supposed to play football in the classroom.
3)疑问句: be supposed to do sth 的疑问句是将be动词的相应形式提到主语前面。
Are you supposed to sleep at nine?
晚上你应该在9点睡觉吗啊?