2. She'll leave this Friday. __________________

3. She could've gone to that trip.

__________________

4. They've gone already. __________________

5. I haven't heard this before. __________________

6. I can't work on your request right now. __________________

7. He's been like this for a while. __________________

8. It hasn't developed yet. __________________

9. The baby can't talk. __________________

10. The kids weren't in the classroom. __________________

11. He'd better do it now. __________________

12. I'll go to the mall tomorrow. __________________