1. I have been thinking of it for 3 days already. present perfect continious
2. My sister drinks coffee with milk. present simple
3. I always prefer black coffee present simple
4. Have you been reading this book yet? present perfect continious
5. How much have you been reading it? present perfect continious
6. My sister's hobby is music. present simple
7. I I have been looking for you all evening, where have you been? present perfect continious, present perfect
8. They have been writing a composition for two hours. present perfect continious.
9. My friend has known English since his childhood. present perfect
10. My mother is an actress. present simple
11. Look! somebody has broken the window. present perfect
At last it was time to shut up the office.
Was is at last time to shut up the office?
What was it time to do?
Was it time to shut up or to open the office?
At last it was time to shut up the office, wasn't it?
What was it?
The Ghost of Cristmas Present changed Sgrooge's home completely
Did the Ghost of Cristmas Present change Sgrooge's home completely?
What The Ghost of Cristmas Present change?
Did the Ghost of Cristmas Present change Sgrooge's or Brown's home completely?
The Ghost of Cristmas Present changed Sgrooge's home completely, didn't he?
Who changed Sgrooge's home completely?