English verb conjugation
COULD REST

Regular verb: rest - rested - rested

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?