could sheet
Regular verb: sheet - sheeted- sheeted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could sheet
you could sheet
he could sheet
we could sheet
you could sheet
they could sheet 	I could be sheeting
you could be sheeting
he could be sheeting
we could be sheeting
you could be sheeting
they could be sheeting	I could have sheeted
you could have sheeted
he could have sheeted
we could have sheeted
you could have sheeted
they could have sheeted	I could have been sheeting
you could have been sheeting
he could have been sheeting
we could have been sheeting
you could have been sheeting
they could have been sheeting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not sheet
you could not sheet
he could not sheet
we could not sheet
you could not sheet
they could not sheet 	I could not be sheeting
you could not be sheeting
he could not be sheeting
we could not be sheeting
you could not be sheeting
they could not be sheeting	I could not have sheeted
you could not have sheeted
he could not have sheeted
we could not have sheeted
you could not have sheeted
they could not have sheeted	I could not have been sheeting
you could not have been sheeting
he could not have been sheeting
we could not have been sheeting
you could not have been sheeting
they could not have been sheeting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I sheet?
could you sheet?
could he sheet?
could we sheet?
could you sheet?
could they sheet? 	could I be sheeting?
could you be sheeting?
could he be sheeting?
could we be sheeting?
could you be sheeting?
could they be sheeting? 	could I have sheeted?
could you have sheeted?
could he have sheeted?
could we have sheeted?
could you have sheeted?
could they have sheeted? 	could I have been sheeting?
could you have been sheeting?
could he have been sheeting?
could we have been sheeting?
could you have been sheeting?
could they have been sheeting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not sheet?
could you not sheet?
could he not sheet?
could we not sheet?
could you not sheet?
could they not sheet? 	could I not be sheeting?
could you not be sheeting?
could he not be sheeting?
could we not be sheeting?
could you not be sheeting?
could they not be sheeting? 	could I not have sheeted?
could you not have sheeted?
could he not have sheeted?
could we not have sheeted?
could you not have sheeted?
could they not have sheeted? 	could I not have been sheeting?
could you not have been sheeting?
could he not have been sheeting?
could we not have been sheeting?
could you not have been sheeting?
could they not have been sheeting?