could shave
Irregular verb: shave - shaved- shaven, shaved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could shave
you could shave
he could shave
we could shave
you could shave
they could shave 	I could be shaving
you could be shaving
he could be shaving
we could be shaving
you could be shaving
they could be shaving	I could have shaven, shaved
you could have shaven, shaved
he could have shaven, shaved
we could have shaven, shaved
you could have shaven, shaved
they could have shaven, shaved	I could have been shaving
you could have been shaving
he could have been shaving
we could have been shaving
you could have been shaving
they could have been shaving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't shave
you couldn't shave
he couldn't shave
we couldn't shave
you couldn't shave
they couldn't shave 	I couldn't be shaving
you couldn't be shaving
he couldn't be shaving
we couldn't be shaving
you couldn't be shaving
they couldn't be shaving	I couldn't have shaven, shaved
you couldn't have shaven, shaved
he couldn't have shaven, shaved
we couldn't have shaven, shaved
you couldn't have shaven, shaved
they couldn't have shaven, shaved	I couldn't have been shaving
you couldn't have been shaving
he couldn't have been shaving
we couldn't have been shaving
you couldn't have been shaving
they couldn't have been shaving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I shave?
could you shave?
could he shave?
could we shave?
could you shave?
could they shave? 	could I be shaving?
could you be shaving?
could he be shaving?
could we be shaving?
could you be shaving?
could they be shaving? 	could I have shaven, shaved?
could you have shaven, shaved?
could he have shaven, shaved?
could we have shaven, shaved?
could you have shaven, shaved?
could they have shaven, shaved? 	could I have been shaving?
could you have been shaving?
could he have been shaving?
could we have been shaving?
could you have been shaving?
could they have been shaving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I shave?
couldn't you shave?
couldn't he shave?
couldn't we shave?
couldn't you shave?
couldn't they shave? 	couldn't I be shaving?
couldn't you be shaving?
couldn't he be shaving?
couldn't we be shaving?
couldn't you be shaving?
couldn't they be shaving? 	couldn't I have shaven, shaved?
couldn't you have shaven, shaved?
couldn't he have shaven, shaved?
couldn't we have shaven, shaved?
couldn't you have shaven, shaved?
couldn't they have shaven, shaved? 	couldn't I have been shaving?
couldn't you have been shaving?
couldn't he have been shaving?
couldn't we have been shaving?
couldn't you have been shaving?
couldn't they have been shaving?