I could covet you could covet she could covet we could covet you could covet they could covet
V-ing form
I could be coveting you could be coveting she could be coveting we could be coveting you could be coveting they could be coveting
Perfect
I could have coveted you could have coveted she could have coveted we could have coveted you could have coveted they could have coveted
V-ing perfect
I could have been coveting you could have been coveting she could have been coveting we could have been coveting you could have been coveting they could have been coveting
Negation
Simple form
I could not covet you could not covet she could not covet we could not covet you could not covet they could not covet
V-ing form
I could not be coveting you could not be coveting she could not be coveting we could not be coveting you could not be coveting they could not be coveting
Perfect
I could not have coveted you could not have coveted she could not have coveted we could not have coveted you could not have coveted they could not have coveted
V-ing perfect
I could not have been coveting you could not have been coveting she could not have been coveting we could not have been coveting you could not have been coveting they could not have been coveting
Interrogative form
Simple form
could I covet? could you covet? could she covet? could we covet? could you covet? could they covet?
V-ing form
could I be coveting? could you be coveting? could she be coveting? could we be coveting? could you be coveting? could they be coveting?
Perfect
could I have coveted? could you have coveted? could she have coveted? could we have coveted? could you have coveted? could they have coveted?
V-ing perfect
could I have been coveting? could you have been coveting? could she have been coveting? could we have been coveting? could you have been coveting? could they have been coveting?
Interro-negative form
Simple form
could I not covet? could you not covet? could she not covet? could we not covet? could you not covet? could they not covet?
V-ing form
could I not be coveting? could you not be coveting? could she not be coveting? could we not be coveting? could you not be coveting? could they not be coveting?
Perfect
could I not have coveted? could you not have coveted? could she not have coveted? could we not have coveted? could you not have coveted? could they not have coveted?
V-ing perfect
could I not have been coveting? could you not have been coveting? could she not have been coveting? could we not have been coveting? could you not have been coveting? could they not have been coveting?