could memorise
Verbo regular: memorise - memorised- memorised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could memorise
you could memorise
he could memorise
we could memorise
you could memorise
they could memorise 	I could be memorising
you could be memorising
he could be memorising
we could be memorising
you could be memorising
they could be memorising	I could have memorised
you could have memorised
he could have memorised
we could have memorised
you could have memorised
they could have memorised	I could have been memorising
you could have been memorising
he could have been memorising
we could have been memorising
you could have been memorising
they could have been memorising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not memorise
you could not memorise
he could not memorise
we could not memorise
you could not memorise
they could not memorise 	I could not be memorising
you could not be memorising
he could not be memorising
we could not be memorising
you could not be memorising
they could not be memorising	I could not have memorised
you could not have memorised
he could not have memorised
we could not have memorised
you could not have memorised
they could not have memorised	I could not have been memorising
you could not have been memorising
he could not have been memorising
we could not have been memorising
you could not have been memorising
they could not have been memorising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I memorise?
could you memorise?
could he memorise?
could we memorise?
could you memorise?
could they memorise? 	could I be memorising?
could you be memorising?
could he be memorising?
could we be memorising?
could you be memorising?
could they be memorising? 	could I have memorised?
could you have memorised?
could he have memorised?
could we have memorised?
could you have memorised?
could they have memorised? 	could I have been memorising?
could you have been memorising?
could he have been memorising?
could we have been memorising?
could you have been memorising?
could they have been memorising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not memorise?
could you not memorise?
could he not memorise?
could we not memorise?
could you not memorise?
could they not memorise? 	could I not be memorising?
could you not be memorising?
could he not be memorising?
could we not be memorising?
could you not be memorising?
could they not be memorising? 	could I not have memorised?
could you not have memorised?
could he not have memorised?
could we not have memorised?
could you not have memorised?
could they not have memorised? 	could I not have been memorising?
could you not have been memorising?
could he not have been memorising?
could we not have been memorising?
could you not have been memorising?
could they not have been memorising?