Did the sun set at twenty past seven?
【太阳七点半时落山了吗?】
The sun didn't set at twenty past seven.
【太阳七点半时没有下山.】
2 Did he eat his lunch at one o'clock?
【他在一点钟有没有吃午饭?】
He didn't eat his lunch at one o'clock.
【他在一点钟没有吃午饭】
3 Did they do their homework last night?
【他们昨晚做了家庭作业吗?】
They didn't do their homework last night.
【他们昨晚没有做家庭作业.】
4 Did he come by car this morning?
【他今天早上是乘汽车过来的吗?】
He didn't come by car this morning.
【他今天早上不是乘汽车过来的】
5 Did the sun rise at half past five?
【太阳在5点半升起了吗?】
The sun didn't rise at half past five.
【太阳在5点半没有升起.】
6 Did you swim across the river yesterday?
【你们昨天有没有游过这条河?】
We didn't swim across the river yesterday.
【我们昨天没有游过这条河.】