could lisp
Regular verb: lisp - lisped- lisped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could lisp
you could lisp
she could lisp
we could lisp
you could lisp
they could lisp 	I could be lisping
you could be lisping
she could be lisping
we could be lisping
you could be lisping
they could be lisping	I could have lisped
you could have lisped
she could have lisped
we could have lisped
you could have lisped
they could have lisped	I could have been lisping
you could have been lisping
she could have been lisping
we could have been lisping
you could have been lisping
they could have been lisping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't lisp
you couldn't lisp
she couldn't lisp
we couldn't lisp
you couldn't lisp
they couldn't lisp 	I couldn't be lisping
you couldn't be lisping
she couldn't be lisping
we couldn't be lisping
you couldn't be lisping
they couldn't be lisping	I couldn't have lisped
you couldn't have lisped
she couldn't have lisped
we couldn't have lisped
you couldn't have lisped
they couldn't have lisped	I couldn't have been lisping
you couldn't have been lisping
she couldn't have been lisping
we couldn't have been lisping
you couldn't have been lisping
they couldn't have been lisping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I lisp?
could you lisp?
could she lisp?
could we lisp?
could you lisp?
could they lisp? 	could I be lisping?
could you be lisping?
could she be lisping?
could we be lisping?
could you be lisping?
could they be lisping? 	could I have lisped?
could you have lisped?
could she have lisped?
could we have lisped?
could you have lisped?
could they have lisped? 	could I have been lisping?
could you have been lisping?
could she have been lisping?
could we have been lisping?
could you have been lisping?
could they have been lisping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I lisp?
couldn't you lisp?
couldn't she lisp?
couldn't we lisp?
couldn't you lisp?
couldn't they lisp? 	couldn't I be lisping?
couldn't you be lisping?
couldn't she be lisping?
couldn't we be lisping?
couldn't you be lisping?
couldn't they be lisping? 	couldn't I have lisped?
couldn't you have lisped?
couldn't she have lisped?
couldn't we have lisped?
couldn't you have lisped?
couldn't they have lisped? 	couldn't I have been lisping?
couldn't you have been lisping?
couldn't she have been lisping?
couldn't we have been lisping?
couldn't you have been lisping?
couldn't they have been lisping?