could flock
Verbo regular: flock - flocked- flocked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could flock
you could flock
he could flock
we could flock
you could flock
they could flock 	I could be flocking
you could be flocking
he could be flocking
we could be flocking
you could be flocking
they could be flocking	I could have flocked
you could have flocked
he could have flocked
we could have flocked
you could have flocked
they could have flocked	I could have been flocking
you could have been flocking
he could have been flocking
we could have been flocking
you could have been flocking
they could have been flocking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't flock
you couldn't flock
he couldn't flock
we couldn't flock
you couldn't flock
they couldn't flock 	I couldn't be flocking
you couldn't be flocking
he couldn't be flocking
we couldn't be flocking
you couldn't be flocking
they couldn't be flocking	I couldn't have flocked
you couldn't have flocked
he couldn't have flocked
we couldn't have flocked
you couldn't have flocked
they couldn't have flocked	I couldn't have been flocking
you couldn't have been flocking
he couldn't have been flocking
we couldn't have been flocking
you couldn't have been flocking
they couldn't have been flocking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I flock?
could you flock?
could he flock?
could we flock?
could you flock?
could they flock? 	could I be flocking?
could you be flocking?
could he be flocking?
could we be flocking?
could you be flocking?
could they be flocking? 	could I have flocked?
could you have flocked?
could he have flocked?
could we have flocked?
could you have flocked?
could they have flocked? 	could I have been flocking?
could you have been flocking?
could he have been flocking?
could we have been flocking?
could you have been flocking?
could they have been flocking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I flock?
couldn't you flock?
couldn't he flock?
couldn't we flock?
couldn't you flock?
couldn't they flock? 	couldn't I be flocking?
couldn't you be flocking?
couldn't he be flocking?
couldn't we be flocking?
couldn't you be flocking?
couldn't they be flocking? 	couldn't I have flocked?
couldn't you have flocked?
couldn't he have flocked?
couldn't we have flocked?
couldn't you have flocked?
couldn't they have flocked? 	couldn't I have been flocking?
couldn't you have been flocking?
couldn't he have been flocking?
couldn't we have been flocking?
couldn't you have been flocking?
couldn't they have been flocking?