should knot
Regular verb: knot - knotted- knotted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd knot
you'd knot
she'd knot
we'd knot
you'd knot
they'd knot 	I'd be knotting
you'd be knotting
she'd be knotting
we'd be knotting
you'd be knotting
they'd be knotting	I should've knotted
you should've knotted
she should've knotted
we should've knotted
you should've knotted
they should've knotted	I should've been knotting
you should've been knotting
she should've been knotting
we should've been knotting
you should've been knotting
they should've been knotting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't knot
you shouldn't knot
she shouldn't knot
we shouldn't knot
you shouldn't knot
they shouldn't knot 	I shouldn't be knotting
you shouldn't be knotting
she shouldn't be knotting
we shouldn't be knotting
you shouldn't be knotting
they shouldn't be knotting	I shouldn't have knotted
you shouldn't have knotted
she shouldn't have knotted
we shouldn't have knotted
you shouldn't have knotted
they shouldn't have knotted	I shouldn't have been knotting
you shouldn't have been knotting
she shouldn't have been knotting
we shouldn't have been knotting
you shouldn't have been knotting
they shouldn't have been knotting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I knot?
should you knot?
should she knot?
should we knot?
should you knot?
should they knot? 	should I be knotting?
should you be knotting?
should she be knotting?
should we be knotting?
should you be knotting?
should they be knotting? 	should I have knotted?
should you have knotted?
should she have knotted?
should we have knotted?
should you have knotted?
should they have knotted? 	should I have been knotting?
should you have been knotting?
should she have been knotting?
should we have been knotting?
should you have been knotting?
should they have been knotting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I knot?
shouldn't you knot?
shouldn't she knot?
shouldn't we knot?
shouldn't you knot?
shouldn't they knot? 	shouldn't I be knotting?
shouldn't you be knotting?
shouldn't she be knotting?
shouldn't we be knotting?
shouldn't you be knotting?
shouldn't they be knotting? 	shouldn't I have knotted?
shouldn't you have knotted?
shouldn't she have knotted?
shouldn't we have knotted?
shouldn't you have knotted?
shouldn't they have knotted? 	shouldn't I have been knotting?
shouldn't you have been knotting?
shouldn't she have been knotting?
shouldn't we have been knotting?
shouldn't you have been knotting?
shouldn't they have been knotting?