could vegetate
Verbo regular: vegetate - vegetated- vegetated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could vegetate
you could vegetate
he could vegetate
we could vegetate
you could vegetate
they could vegetate 	I could be vegetating
you could be vegetating
he could be vegetating
we could be vegetating
you could be vegetating
they could be vegetating	I could have vegetated
you could have vegetated
he could have vegetated
we could have vegetated
you could have vegetated
they could have vegetated	I could have been vegetating
you could have been vegetating
he could have been vegetating
we could have been vegetating
you could have been vegetating
they could have been vegetating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not vegetate
you could not vegetate
he could not vegetate
we could not vegetate
you could not vegetate
they could not vegetate 	I could not be vegetating
you could not be vegetating
he could not be vegetating
we could not be vegetating
you could not be vegetating
they could not be vegetating	I could not have vegetated
you could not have vegetated
he could not have vegetated
we could not have vegetated
you could not have vegetated
they could not have vegetated	I could not have been vegetating
you could not have been vegetating
he could not have been vegetating
we could not have been vegetating
you could not have been vegetating
they could not have been vegetating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I vegetate?
could you vegetate?
could he vegetate?
could we vegetate?
could you vegetate?
could they vegetate? 	could I be vegetating?
could you be vegetating?
could he be vegetating?
could we be vegetating?
could you be vegetating?
could they be vegetating? 	could I have vegetated?
could you have vegetated?
could he have vegetated?
could we have vegetated?
could you have vegetated?
could they have vegetated? 	could I have been vegetating?
could you have been vegetating?
could he have been vegetating?
could we have been vegetating?
could you have been vegetating?
could they have been vegetating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not vegetate?
could you not vegetate?
could he not vegetate?
could we not vegetate?
could you not vegetate?
could they not vegetate? 	could I not be vegetating?
could you not be vegetating?
could he not be vegetating?
could we not be vegetating?
could you not be vegetating?
could they not be vegetating? 	could I not have vegetated?
could you not have vegetated?
could he not have vegetated?
could we not have vegetated?
could you not have vegetated?
could they not have vegetated? 	could I not have been vegetating?
could you not have been vegetating?
could he not have been vegetating?
could we not have been vegetating?
could you not have been vegetating?
could they not have been vegetating?