2017年5月2日 星期二

[Modal auxiliaries] Using be supposed to


Mike is supposed to call me tomorrow.
(IDEA: I expect Mike to call me tomorrow.)

Alice was supposed to be home at ten, but she didn't get in until midnight.
(IDEA: Someone expected Alice to be home at ten.)

The teacher expects us to be on time for class.
We are supposed to be on time for class.

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