I could laager you could laager he could laager we could laager you could laager they could laager
V-ing form
I could be laagering you could be laagering he could be laagering we could be laagering you could be laagering they could be laagering
Perfect
I could have laagered you could have laagered he could have laagered we could have laagered you could have laagered they could have laagered
V-ing perfect
I could have been laagering you could have been laagering he could have been laagering we could have been laagering you could have been laagering they could have been laagering
Negation
Simple form
I could not laager you could not laager he could not laager we could not laager you could not laager they could not laager
V-ing form
I could not be laagering you could not be laagering he could not be laagering we could not be laagering you could not be laagering they could not be laagering
Perfect
I could not have laagered you could not have laagered he could not have laagered we could not have laagered you could not have laagered they could not have laagered
V-ing perfect
I could not have been laagering you could not have been laagering he could not have been laagering we could not have been laagering you could not have been laagering they could not have been laagering
Interrogative form
Simple form
could I laager? could you laager? could he laager? could we laager? could you laager? could they laager?
V-ing form
could I be laagering? could you be laagering? could he be laagering? could we be laagering? could you be laagering? could they be laagering?
Perfect
could I have laagered? could you have laagered? could he have laagered? could we have laagered? could you have laagered? could they have laagered?
V-ing perfect
could I have been laagering? could you have been laagering? could he have been laagering? could we have been laagering? could you have been laagering? could they have been laagering?
Interro-negative form
Simple form
could I not laager? could you not laager? could he not laager? could we not laager? could you not laager? could they not laager?
V-ing form
could I not be laagering? could you not be laagering? could he not be laagering? could we not be laagering? could you not be laagering? could they not be laagering?
Perfect
could I not have laagered? could you not have laagered? could he not have laagered? could we not have laagered? could you not have laagered? could they not have laagered?
V-ing perfect
could I not have been laagering? could you not have been laagering? could he not have been laagering? could we not have been laagering? could you not have been laagering? could they not have been laagering?