could juggle
Regular verb: juggle - juggled- juggled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could juggle
you could juggle
he could juggle
we could juggle
you could juggle
they could juggle 	I could be juggling
you could be juggling
he could be juggling
we could be juggling
you could be juggling
they could be juggling	I could have juggled
you could have juggled
he could have juggled
we could have juggled
you could have juggled
they could have juggled	I could have been juggling
you could have been juggling
he could have been juggling
we could have been juggling
you could have been juggling
they could have been juggling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't juggle
you couldn't juggle
he couldn't juggle
we couldn't juggle
you couldn't juggle
they couldn't juggle 	I couldn't be juggling
you couldn't be juggling
he couldn't be juggling
we couldn't be juggling
you couldn't be juggling
they couldn't be juggling	I couldn't have juggled
you couldn't have juggled
he couldn't have juggled
we couldn't have juggled
you couldn't have juggled
they couldn't have juggled	I couldn't have been juggling
you couldn't have been juggling
he couldn't have been juggling
we couldn't have been juggling
you couldn't have been juggling
they couldn't have been juggling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I juggle?
could you juggle?
could he juggle?
could we juggle?
could you juggle?
could they juggle? 	could I be juggling?
could you be juggling?
could he be juggling?
could we be juggling?
could you be juggling?
could they be juggling? 	could I have juggled?
could you have juggled?
could he have juggled?
could we have juggled?
could you have juggled?
could they have juggled? 	could I have been juggling?
could you have been juggling?
could he have been juggling?
could we have been juggling?
could you have been juggling?
could they have been juggling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I juggle?
couldn't you juggle?
couldn't he juggle?
couldn't we juggle?
couldn't you juggle?
couldn't they juggle? 	couldn't I be juggling?
couldn't you be juggling?
couldn't he be juggling?
couldn't we be juggling?
couldn't you be juggling?
couldn't they be juggling? 	couldn't I have juggled?
couldn't you have juggled?
couldn't he have juggled?
couldn't we have juggled?
couldn't you have juggled?
couldn't they have juggled? 	couldn't I have been juggling?
couldn't you have been juggling?
couldn't he have been juggling?
couldn't we have been juggling?
couldn't you have been juggling?
couldn't they have been juggling?