could rest
Regular verb: rest - rested- rested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could rest
you could rest
she could rest
we could rest
you could rest
they could rest 	I could be resting
you could be resting
she could be resting
we could be resting
you could be resting
they could be resting	I could have rested
you could have rested
she could have rested
we could have rested
you could have rested
they could have rested	I could have been resting
you could have been resting
she could have been resting
we could have been resting
you could have been resting
they could have been resting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't rest
you couldn't rest
she couldn't rest
we couldn't rest
you couldn't rest
they couldn't rest 	I couldn't be resting
you couldn't be resting
she couldn't be resting
we couldn't be resting
you couldn't be resting
they couldn't be resting	I couldn't have rested
you couldn't have rested
she couldn't have rested
we couldn't have rested
you couldn't have rested
they couldn't have rested	I couldn't have been resting
you couldn't have been resting
she couldn't have been resting
we couldn't have been resting
you couldn't have been resting
they couldn't have been resting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I rest?
could you rest?
could she rest?
could we rest?
could you rest?
could they rest? 	could I be resting?
could you be resting?
could she be resting?
could we be resting?
could you be resting?
could they be resting? 	could I have rested?
could you have rested?
could she have rested?
could we have rested?
could you have rested?
could they have rested? 	could I have been resting?
could you have been resting?
could she have been resting?
could we have been resting?
could you have been resting?
could they have been resting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I rest?
couldn't you rest?
couldn't she rest?
couldn't we rest?
couldn't you rest?
couldn't they rest? 	couldn't I be resting?
couldn't you be resting?
couldn't she be resting?
couldn't we be resting?
couldn't you be resting?
couldn't they be resting? 	couldn't I have rested?
couldn't you have rested?
couldn't she have rested?
couldn't we have rested?
couldn't you have rested?
couldn't they have rested? 	couldn't I have been resting?
couldn't you have been resting?
couldn't she have been resting?
couldn't we have been resting?
couldn't you have been resting?
couldn't they have been resting?