could sheet
Regular verb: sheet - sheeted- sheeted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could sheet
you could sheet
she could sheet
we could sheet
you could sheet
they could sheet 	I could be sheeting
you could be sheeting
she could be sheeting
we could be sheeting
you could be sheeting
they could be sheeting	I could have sheeted
you could have sheeted
she 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
she 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 couldn't sheet
you couldn't sheet
she couldn't sheet
we couldn't sheet
you couldn't sheet
they couldn't sheet 	I couldn't be sheeting
you couldn't be sheeting
she couldn't be sheeting
we couldn't be sheeting
you couldn't be sheeting
they couldn't be sheeting	I couldn't have sheeted
you couldn't have sheeted
she couldn't have sheeted
we couldn't have sheeted
you couldn't have sheeted
they couldn't have sheeted	I couldn't have been sheeting
you couldn't have been sheeting
she couldn't have been sheeting
we couldn't have been sheeting
you couldn't have been sheeting
they couldn't have been sheeting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I sheet?
could you sheet?
could she sheet?
could we sheet?
could you sheet?
could they sheet? 	could I be sheeting?
could you be sheeting?
could she be sheeting?
could we be sheeting?
could you be sheeting?
could they be sheeting? 	could I have sheeted?
could you have sheeted?
could she 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 she 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 	
couldn't I sheet?
couldn't you sheet?
couldn't she sheet?
couldn't we sheet?
couldn't you sheet?
couldn't they sheet? 	couldn't I be sheeting?
couldn't you be sheeting?
couldn't she be sheeting?
couldn't we be sheeting?
couldn't you be sheeting?
couldn't they be sheeting? 	couldn't I have sheeted?
couldn't you have sheeted?
couldn't she have sheeted?
couldn't we have sheeted?
couldn't you have sheeted?
couldn't they have sheeted? 	couldn't I have been sheeting?
couldn't you have been sheeting?
couldn't she have been sheeting?
couldn't we have been sheeting?
couldn't you have been sheeting?
couldn't they have been sheeting?