could plagiarise
Verbo regular: plagiarise - plagiarised- plagiarised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could plagiarise
you could plagiarise
he could plagiarise
we could plagiarise
you could plagiarise
they could plagiarise 	I could be plagiarising
you could be plagiarising
he could be plagiarising
we could be plagiarising
you could be plagiarising
they could be plagiarising	I could have plagiarised
you could have plagiarised
he could have plagiarised
we could have plagiarised
you could have plagiarised
they could have plagiarised	I could have been plagiarising
you could have been plagiarising
he could have been plagiarising
we could have been plagiarising
you could have been plagiarising
they could have been plagiarising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not plagiarise
you could not plagiarise
he could not plagiarise
we could not plagiarise
you could not plagiarise
they could not plagiarise 	I could not be plagiarising
you could not be plagiarising
he could not be plagiarising
we could not be plagiarising
you could not be plagiarising
they could not be plagiarising	I could not have plagiarised
you could not have plagiarised
he could not have plagiarised
we could not have plagiarised
you could not have plagiarised
they could not have plagiarised	I could not have been plagiarising
you could not have been plagiarising
he could not have been plagiarising
we could not have been plagiarising
you could not have been plagiarising
they could not have been plagiarising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I plagiarise?
could you plagiarise?
could he plagiarise?
could we plagiarise?
could you plagiarise?
could they plagiarise? 	could I be plagiarising?
could you be plagiarising?
could he be plagiarising?
could we be plagiarising?
could you be plagiarising?
could they be plagiarising? 	could I have plagiarised?
could you have plagiarised?
could he have plagiarised?
could we have plagiarised?
could you have plagiarised?
could they have plagiarised? 	could I have been plagiarising?
could you have been plagiarising?
could he have been plagiarising?
could we have been plagiarising?
could you have been plagiarising?
could they have been plagiarising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not plagiarise?
could you not plagiarise?
could he not plagiarise?
could we not plagiarise?
could you not plagiarise?
could they not plagiarise? 	could I not be plagiarising?
could you not be plagiarising?
could he not be plagiarising?
could we not be plagiarising?
could you not be plagiarising?
could they not be plagiarising? 	could I not have plagiarised?
could you not have plagiarised?
could he not have plagiarised?
could we not have plagiarised?
could you not have plagiarised?
could they not have plagiarised? 	could I not have been plagiarising?
could you not have been plagiarising?
could he not have been plagiarising?
could we not have been plagiarising?
could you not have been plagiarising?
could they not have been plagiarising?