2. she has already gone out
- Dấu hiệu: "Joe goes out"
3. i haven't finished yet
- Dấu hiệu: "The waiter thinks you have finished and starts to take your plate away"
4. i have done it
- Dấu hiệu: "You phoned to reserve a table", "Later your friend says....."
5. Have you found it yet?
- Dấu hiệu: " Perhaps she has been successful"
6. i haven't decided yet.
- Dấu hiệu:"You are still thinking about where to go for your holiday"
7. she has just come back
- Dấu hiệu: "but a few minutes ago she returned"
Học tốt!!!
