The Present Perfect: form.
Fill in the gaps with the correct Present Perfect forms of the verbs in the box below.
| explode | build | wake up | attack | fall |
Calvin's head_____________________.- has just exploded
- haves exploded
- has explotationed
- just has exploded
Calvin _____________________ an army.- has built
- have builted
- has builded
- has build
Hobbes ________________________ Calvin, who was playing in the sandbox.- has just attacked
- attacked
- have attack
- has attacking
_____________________ off the slide? - Yes, he has.- Has Hobbes just fallen
- Hobes has fallen
- Fallen did has Hobbes
- Has Hobbes fell
Calvin ________________________ Hobbes -it's the other way around.- hasn't woken up
- not has woken up
- haven't woken up
- hasn't wake up