could boomerang
Verbo regular: boomerang - boomeranged- boomeranged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't boomerang
you couldn't boomerang
he couldn't boomerang
we couldn't boomerang
you couldn't boomerang
they couldn't boomerang 	I couldn't be boomeranging
you couldn't be boomeranging
he couldn't be boomeranging
we couldn't be boomeranging
you couldn't be boomeranging
they couldn't be boomeranging	I couldn't have boomeranged
you couldn't have boomeranged
he couldn't have boomeranged
we couldn't have boomeranged
you couldn't have boomeranged
they couldn't have boomeranged	I couldn't have been boomeranging
you couldn't have been boomeranging
he couldn't have been boomeranging
we couldn't have been boomeranging
you couldn't have been boomeranging
they couldn't have been boomeranging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I boomerang?
couldn't you boomerang?
couldn't he boomerang?
couldn't we boomerang?
couldn't you boomerang?
couldn't they boomerang? 	couldn't I be boomeranging?
couldn't you be boomeranging?
couldn't he be boomeranging?
couldn't we be boomeranging?
couldn't you be boomeranging?
couldn't they be boomeranging? 	couldn't I have boomeranged?
couldn't you have boomeranged?
couldn't he have boomeranged?
couldn't we have boomeranged?
couldn't you have boomeranged?
couldn't they have boomeranged? 	couldn't I have been boomeranging?
couldn't you have been boomeranging?
couldn't he have been boomeranging?
couldn't we have been boomeranging?
couldn't you have been boomeranging?
couldn't they have been boomeranging?