could leap
Irregular verb: leap - leapt, leaped- leapt, leaped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could leap
you could leap
he could leap
we could leap
you could leap
they could leap 	I could be leaping
you could be leaping
he could be leaping
we could be leaping
you could be leaping
they could be leaping	I could have leapt, leaped
you could have leapt, leaped
he could have leapt, leaped
we could have leapt, leaped
you could have leapt, leaped
they could have leapt, leaped	I could have been leaping
you could have been leaping
he could have been leaping
we could have been leaping
you could have been leaping
they could have been leaping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't leap
you couldn't leap
he couldn't leap
we couldn't leap
you couldn't leap
they couldn't leap 	I couldn't be leaping
you couldn't be leaping
he couldn't be leaping
we couldn't be leaping
you couldn't be leaping
they couldn't be leaping	I couldn't have leapt, leaped
you couldn't have leapt, leaped
he couldn't have leapt, leaped
we couldn't have leapt, leaped
you couldn't have leapt, leaped
they couldn't have leapt, leaped	I couldn't have been leaping
you couldn't have been leaping
he couldn't have been leaping
we couldn't have been leaping
you couldn't have been leaping
they couldn't have been leaping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I leap?
could you leap?
could he leap?
could we leap?
could you leap?
could they leap? 	could I be leaping?
could you be leaping?
could he be leaping?
could we be leaping?
could you be leaping?
could they be leaping? 	could I have leapt, leaped?
could you have leapt, leaped?
could he have leapt, leaped?
could we have leapt, leaped?
could you have leapt, leaped?
could they have leapt, leaped? 	could I have been leaping?
could you have been leaping?
could he have been leaping?
could we have been leaping?
could you have been leaping?
could they have been leaping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I leap?
couldn't you leap?
couldn't he leap?
couldn't we leap?
couldn't you leap?
couldn't they leap? 	couldn't I be leaping?
couldn't you be leaping?
couldn't he be leaping?
couldn't we be leaping?
couldn't you be leaping?
couldn't they be leaping? 	couldn't I have leapt, leaped?
couldn't you have leapt, leaped?
couldn't he have leapt, leaped?
couldn't we have leapt, leaped?
couldn't you have leapt, leaped?
couldn't they have leapt, leaped? 	couldn't I have been leaping?
couldn't you have been leaping?
couldn't he have been leaping?
couldn't we have been leaping?
couldn't you have been leaping?
couldn't they have been leaping?