General Question:
1.Is Tom waiting for his friends now ?
2. Were the students doing a computer test at 3 o'clock yesterday ?
3. Will you be playing volleyball at 4 o' clock tomorrow ?
Special Question:
1.Tom is waiting for his friends now,isn't he ?
2.The students were doing a computer test at 3 o' clock yesterday, weren't they ?
3.You will be playing volleyball at 4 o' clock tomorrow,won't you ?
Negative sentence:
1. Tom isn't waiting for his friends now.
2. The students weren't doing a computer test at 3 o' clock yesterday.
3. You won't be playing volleyball at 4 o' clock tomorrow.