could acetylate
Verbo regular: acetylate - acetylated- acetylated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could acetylate
you could acetylate
she could acetylate
we could acetylate
you could acetylate
they could acetylate 	I could be acetylating
you could be acetylating
she could be acetylating
we could be acetylating
you could be acetylating
they could be acetylating	I could have acetylated
you could have acetylated
she could have acetylated
we could have acetylated
you could have acetylated
they could have acetylated	I could have been acetylating
you could have been acetylating
she could have been acetylating
we could have been acetylating
you could have been acetylating
they could have been acetylating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not acetylate
you could not acetylate
she could not acetylate
we could not acetylate
you could not acetylate
they could not acetylate 	I could not be acetylating
you could not be acetylating
she could not be acetylating
we could not be acetylating
you could not be acetylating
they could not be acetylating	I could not have acetylated
you could not have acetylated
she could not have acetylated
we could not have acetylated
you could not have acetylated
they could not have acetylated	I could not have been acetylating
you could not have been acetylating
she could not have been acetylating
we could not have been acetylating
you could not have been acetylating
they could not have been acetylating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I acetylate?
could you acetylate?
could she acetylate?
could we acetylate?
could you acetylate?
could they acetylate? 	could I be acetylating?
could you be acetylating?
could she be acetylating?
could we be acetylating?
could you be acetylating?
could they be acetylating? 	could I have acetylated?
could you have acetylated?
could she have acetylated?
could we have acetylated?
could you have acetylated?
could they have acetylated? 	could I have been acetylating?
could you have been acetylating?
could she have been acetylating?
could we have been acetylating?
could you have been acetylating?
could they have been acetylating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not acetylate?
could you not acetylate?
could she not acetylate?
could we not acetylate?
could you not acetylate?
could they not acetylate? 	could I not be acetylating?
could you not be acetylating?
could she not be acetylating?
could we not be acetylating?
could you not be acetylating?
could they not be acetylating? 	could I not have acetylated?
could you not have acetylated?
could she not have acetylated?
could we not have acetylated?
could you not have acetylated?
could they not have acetylated? 	could I not have been acetylating?
could you not have been acetylating?
could she not have been acetylating?
could we not have been acetylating?
could you not have been acetylating?
could they not have been acetylating?