could knead
Regular verb: knead - kneaded- kneaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could knead
you could knead
he could knead
we could knead
you could knead
they could knead 	I could be kneading
you could be kneading
he could be kneading
we could be kneading
you could be kneading
they could be kneading	I could have kneaded
you could have kneaded
he could have kneaded
we could have kneaded
you could have kneaded
they could have kneaded	I could have been kneading
you could have been kneading
he could have been kneading
we could have been kneading
you could have been kneading
they could have been kneading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't knead
you couldn't knead
he couldn't knead
we couldn't knead
you couldn't knead
they couldn't knead 	I couldn't be kneading
you couldn't be kneading
he couldn't be kneading
we couldn't be kneading
you couldn't be kneading
they couldn't be kneading	I couldn't have kneaded
you couldn't have kneaded
he couldn't have kneaded
we couldn't have kneaded
you couldn't have kneaded
they couldn't have kneaded	I couldn't have been kneading
you couldn't have been kneading
he couldn't have been kneading
we couldn't have been kneading
you couldn't have been kneading
they couldn't have been kneading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I knead?
could you knead?
could he knead?
could we knead?
could you knead?
could they knead? 	could I be kneading?
could you be kneading?
could he be kneading?
could we be kneading?
could you be kneading?
could they be kneading? 	could I have kneaded?
could you have kneaded?
could he have kneaded?
could we have kneaded?
could you have kneaded?
could they have kneaded? 	could I have been kneading?
could you have been kneading?
could he have been kneading?
could we have been kneading?
could you have been kneading?
could they have been kneading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I knead?
couldn't you knead?
couldn't he knead?
couldn't we knead?
couldn't you knead?
couldn't they knead? 	couldn't I be kneading?
couldn't you be kneading?
couldn't he be kneading?
couldn't we be kneading?
couldn't you be kneading?
couldn't they be kneading? 	couldn't I have kneaded?
couldn't you have kneaded?
couldn't he have kneaded?
couldn't we have kneaded?
couldn't you have kneaded?
couldn't they have kneaded? 	couldn't I have been kneading?
couldn't you have been kneading?
couldn't he have been kneading?
couldn't we have been kneading?
couldn't you have been kneading?
couldn't they have been kneading?