English verb conjugation
COULD BOOMERANG

Regular verb: boomerang - boomeranged - boomeranged

Affirmation

Simple form	V-ing form
I could boomerang you could boomerang he could boomerang we could boomerang you could boomerang they could boomerang	I could be boomeranging you could be boomeranging he could be boomeranging we could be boomeranging you could be boomeranging they could be boomeranging
Perfect	V-ing perfect
I could have boomeranged you could have boomeranged he could have boomeranged we could have boomeranged you could have boomeranged they could have boomeranged	I could have been boomeranging you could have been boomeranging he could have been boomeranging we could have been boomeranging you could have been boomeranging they could have been boomeranging

Negation

Simple form	V-ing form
I could not boomerang you could not boomerang he could not boomerang we could not boomerang you could not boomerang they could not boomerang	I could not be boomeranging you could not be boomeranging he could not be boomeranging we could not be boomeranging you could not be boomeranging they could not be boomeranging
Perfect	V-ing perfect
I could not have boomeranged you could not have boomeranged he could not have boomeranged we could not have boomeranged you could not have boomeranged they could not have boomeranged	I could not have been boomeranging you could not have been boomeranging he could not have been boomeranging we could not have been boomeranging you could not have been boomeranging they could not have been boomeranging

Interrogative form

Simple form	V-ing form
could I boomerang? could you boomerang? could he boomerang? could we boomerang? could you boomerang? could they boomerang?	could I be boomeranging? could you be boomeranging? could he be boomeranging? could we be boomeranging? could you be boomeranging? could they be boomeranging?
Perfect	V-ing perfect
could I have boomeranged? could you have boomeranged? could he have boomeranged? could we have boomeranged? could you have boomeranged? could they have boomeranged?	could I have been boomeranging? could you have been boomeranging? could he have been boomeranging? could we have been boomeranging? could you have been boomeranging? could they have been boomeranging?

Interro-negative form

Simple form	V-ing form
could I not boomerang? could you not boomerang? could he not boomerang? could we not boomerang? could you not boomerang? could they not boomerang?	could I not be boomeranging? could you not be boomeranging? could he not be boomeranging? could we not be boomeranging? could you not be boomeranging? could they not be boomeranging?
Perfect	V-ing perfect
could I not have boomeranged? could you not have boomeranged? could he not have boomeranged? could we not have boomeranged? could you not have boomeranged? could they not have boomeranged?	could I not have been boomeranging? could you not have been boomeranging? could he not have been boomeranging? could we not have been boomeranging? could you not have been boomeranging? could they not have been boomeranging?