English verb conjugation
COULD CATAPULT

Regular verb: catapult - catapulted - catapulted

Affirmation

Simple form	V-ing form
I could catapult you could catapult she could catapult we could catapult you could catapult they could catapult	I could be catapulting you could be catapulting she could be catapulting we could be catapulting you could be catapulting they could be catapulting
Perfect	V-ing perfect
I could have catapulted you could have catapulted she could have catapulted we could have catapulted you could have catapulted they could have catapulted	I could have been catapulting you could have been catapulting she could have been catapulting we could have been catapulting you could have been catapulting they could have been catapulting

Negation

Simple form	V-ing form
I couldn't catapult you couldn't catapult she couldn't catapult we couldn't catapult you couldn't catapult they couldn't catapult	I couldn't be catapulting you couldn't be catapulting she couldn't be catapulting we couldn't be catapulting you couldn't be catapulting they couldn't be catapulting
Perfect	V-ing perfect
I couldn't have catapulted you couldn't have catapulted she couldn't have catapulted we couldn't have catapulted you couldn't have catapulted they couldn't have catapulted	I couldn't have been catapulting you couldn't have been catapulting she couldn't have been catapulting we couldn't have been catapulting you couldn't have been catapulting they couldn't have been catapulting

Interrogative form

Simple form	V-ing form
could I catapult? could you catapult? could she catapult? could we catapult? could you catapult? could they catapult?	could I be catapulting? could you be catapulting? could she be catapulting? could we be catapulting? could you be catapulting? could they be catapulting?
Perfect	V-ing perfect
could I have catapulted? could you have catapulted? could she have catapulted? could we have catapulted? could you have catapulted? could they have catapulted?	could I have been catapulting? could you have been catapulting? could she have been catapulting? could we have been catapulting? could you have been catapulting? could they have been catapulting?

Interro-negative form

Simple form	V-ing form
couldn't I catapult? couldn't you catapult? couldn't she catapult? couldn't we catapult? couldn't you catapult? couldn't they catapult?	couldn't I be catapulting? couldn't you be catapulting? couldn't she be catapulting? couldn't we be catapulting? couldn't you be catapulting? couldn't they be catapulting?
Perfect	V-ing perfect
couldn't I have catapulted? couldn't you have catapulted? couldn't she have catapulted? couldn't we have catapulted? couldn't you have catapulted? couldn't they have catapulted?	couldn't I have been catapulting? couldn't you have been catapulting? couldn't she have been catapulting? couldn't we have been catapulting? couldn't you have been catapulting? couldn't they have been catapulting?