作业帮Look out! The ceiling _____ l down. A. is to fall B. will fall C. is going tLook out! The ceiling _____ l down. A. is to fall B. will fall C. is going to fall D. is falling
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Look out! The ceiling _____ l down. A. is to fall B. will fall C. is going tLook out! The ceiling _____ l down. A. is to fall B. will fall C. is going to fall D. is falling
Look out! The ceiling _____ l down. A. is to fall B. will fall C. is going t
Look out! The ceiling _____ l down.
A. is to fall B. will fall C. is going to fall D. is falling
Look out! The ceiling _____ l down. A. is to fall B. will fall C. is going tLook out! The ceiling _____ l down. A. is to fall B. will fall C. is going to fall D. is falling
C.啦,不是跟你解释了吗?XD
D. is falling 表示正在坠落。与Look out!的现场气氛相一致。
D
小心!那个天花板在往下掉！
ABC都是将来时。
be to do 表示按照计划会发生的事情。
1).计划中的事，主语可以是任何人或事物。
He is to attend the meeting.(安排)他去开会。
2).描述一个过去真实的事件时，某人（事或物）后来...，用was（ later） to do 。
...
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D
小心!那个天花板在往下掉！
ABC都是将来时。
be to do 表示按照计划会发生的事情。
1).计划中的事，主语可以是任何人或事物。
He is to attend the meeting.(安排)他去开会。
2).描述一个过去真实的事件时，某人（事或物）后来...，用was（ later） to do 。
Marie Curie studied hard and was later to become a world famous woman scientist （居 里夫人的故事）
3).用第二人称作主语，表示说话者转达第三者的指令。
You are to finish the work in time.
4).用第三人称作主语，表示说话者让“你”转达‘我’的指令。
He is to finish the work in time.
5）.在if 引导的条件状语从句中表示“要想做到...”。
If you are to pass the exam , you must study hard
will do 是临时决定的事情
be going to do 是根据主观判断将来肯定发生的事 有准备 的意思
其实将来时也可用be about to do 马上 不可跟时间状语
收起
选A
快要掉下来