could sweep
Irregular verb: sweep - swept- swept

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could sweep
you could sweep
he could sweep
we could sweep
you could sweep
they could sweep 	I could be sweeping
you could be sweeping
he could be sweeping
we could be sweeping
you could be sweeping
they could be sweeping	I could have swept
you could have swept
he could have swept
we could have swept
you could have swept
they could have swept	I could have been sweeping
you could have been sweeping
he could have been sweeping
we could have been sweeping
you could have been sweeping
they could have been sweeping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't sweep
you couldn't sweep
he couldn't sweep
we couldn't sweep
you couldn't sweep
they couldn't sweep 	I couldn't be sweeping
you couldn't be sweeping
he couldn't be sweeping
we couldn't be sweeping
you couldn't be sweeping
they couldn't be sweeping	I couldn't have swept
you couldn't have swept
he couldn't have swept
we couldn't have swept
you couldn't have swept
they couldn't have swept	I couldn't have been sweeping
you couldn't have been sweeping
he couldn't have been sweeping
we couldn't have been sweeping
you couldn't have been sweeping
they couldn't have been sweeping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I sweep?
could you sweep?
could he sweep?
could we sweep?
could you sweep?
could they sweep? 	could I be sweeping?
could you be sweeping?
could he be sweeping?
could we be sweeping?
could you be sweeping?
could they be sweeping? 	could I have swept?
could you have swept?
could he have swept?
could we have swept?
could you have swept?
could they have swept? 	could I have been sweeping?
could you have been sweeping?
could he have been sweeping?
could we have been sweeping?
could you have been sweeping?
could they have been sweeping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I sweep?
couldn't you sweep?
couldn't he sweep?
couldn't we sweep?
couldn't you sweep?
couldn't they sweep? 	couldn't I be sweeping?
couldn't you be sweeping?
couldn't he be sweeping?
couldn't we be sweeping?
couldn't you be sweeping?
couldn't they be sweeping? 	couldn't I have swept?
couldn't you have swept?
couldn't he have swept?
couldn't we have swept?
couldn't you have swept?
couldn't they have swept? 	couldn't I have been sweeping?
couldn't you have been sweeping?
couldn't he have been sweeping?
couldn't we have been sweeping?
couldn't you have been sweeping?
couldn't they have been sweeping?