could ascend
Verbo regular: ascend - ascended- ascended

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could ascend
you could ascend
he could ascend
we could ascend
you could ascend
they could ascend 	I could be ascending
you could be ascending
he could be ascending
we could be ascending
you could be ascending
they could be ascending	I could have ascended
you could have ascended
he could have ascended
we could have ascended
you could have ascended
they could have ascended	I could have been ascending
you could have been ascending
he could have been ascending
we could have been ascending
you could have been ascending
they could have been ascending	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not ascend
you could not ascend
he could not ascend
we could not ascend
you could not ascend
they could not ascend 	I could not be ascending
you could not be ascending
he could not be ascending
we could not be ascending
you could not be ascending
they could not be ascending	I could not have ascended
you could not have ascended
he could not have ascended
we could not have ascended
you could not have ascended
they could not have ascended	I could not have been ascending
you could not have been ascending
he could not have been ascending
we could not have been ascending
you could not have been ascending
they could not have been ascending	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I ascend?
could you ascend?
could he ascend?
could we ascend?
could you ascend?
could they ascend? 	could I be ascending?
could you be ascending?
could he be ascending?
could we be ascending?
could you be ascending?
could they be ascending? 	could I have ascended?
could you have ascended?
could he have ascended?
could we have ascended?
could you have ascended?
could they have ascended? 	could I have been ascending?
could you have been ascending?
could he have been ascending?
could we have been ascending?
could you have been ascending?
could they have been ascending? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not ascend?
could you not ascend?
could he not ascend?
could we not ascend?
could you not ascend?
could they not ascend? 	could I not be ascending?
could you not be ascending?
could he not be ascending?
could we not be ascending?
could you not be ascending?
could they not be ascending? 	could I not have ascended?
could you not have ascended?
could he not have ascended?
could we not have ascended?
could you not have ascended?
could they not have ascended? 	could I not have been ascending?
could you not have been ascending?
could he not have been ascending?
could we not have been ascending?
could you not have been ascending?
could they not have been ascending?