1.It's time for get up
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2.We must take the lift downstair when there is a fire
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3.When traffice light turns yellow, we should run quickly
1.It's time for get up for改成to（it's time to do sth）2.We must take the lift downstair when there is a fire must后面加 “not”_逻辑问题，有火警时我们不能乘坐电梯下楼3.When traffice light turns yellow, we should run quickly逻辑问题，yellow应改成green
1.It time to get up.2.We must take the lift downstair when there were a fire.虚拟语气，重句中应该用过去时。3.When the traffic light turns green,we should run quickly.
1.It's time for get upIt's time for getting up.（It's time for doing sth.）2.We must take the lift downstair when there is a fireWe shouldn't take the lift downstair when
