could slip slip
Verbo regular: slip slip - slip sliped- slip sliped

, este verbo pode não existir, a conjugação é dada como exemplo.

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could slip slip
you could slip slip
he could slip slip
we could slip slip
you could slip slip
they could slip slip 	I could be slip sliping
you could be slip sliping
he could be slip sliping
we could be slip sliping
you could be slip sliping
they could be slip sliping	I could have slip sliped
you could have slip sliped
he could have slip sliped
we could have slip sliped
you could have slip sliped
they could have slip sliped	I could have been slip sliping
you could have been slip sliping
he could have been slip sliping
we could have been slip sliping
you could have been slip sliping
they could have been slip sliping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not slip slip
you could not slip slip
he could not slip slip
we could not slip slip
you could not slip slip
they could not slip slip 	I could not be slip sliping
you could not be slip sliping
he could not be slip sliping
we could not be slip sliping
you could not be slip sliping
they could not be slip sliping	I could not have slip sliped
you could not have slip sliped
he could not have slip sliped
we could not have slip sliped
you could not have slip sliped
they could not have slip sliped	I could not have been slip sliping
you could not have been slip sliping
he could not have been slip sliping
we could not have been slip sliping
you could not have been slip sliping
they could not have been slip sliping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I slip slip?
could you slip slip?
could he slip slip?
could we slip slip?
could you slip slip?
could they slip slip? 	could I be slip sliping?
could you be slip sliping?
could he be slip sliping?
could we be slip sliping?
could you be slip sliping?
could they be slip sliping? 	could I have slip sliped?
could you have slip sliped?
could he have slip sliped?
could we have slip sliped?
could you have slip sliped?
could they have slip sliped? 	could I have been slip sliping?
could you have been slip sliping?
could he have been slip sliping?
could we have been slip sliping?
could you have been slip sliping?
could they have been slip sliping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not slip slip?
could you not slip slip?
could he not slip slip?
could we not slip slip?
could you not slip slip?
could they not slip slip? 	could I not be slip sliping?
could you not be slip sliping?
could he not be slip sliping?
could we not be slip sliping?
could you not be slip sliping?
could they not be slip sliping? 	could I not have slip sliped?
could you not have slip sliped?
could he not have slip sliped?
could we not have slip sliped?
could you not have slip sliped?
could they not have slip sliped? 	could I not have been slip sliping?
could you not have been slip sliping?
could he not have been slip sliping?
could we not have been slip sliping?
could you not have been slip sliping?
could they not have been slip sliping?