English verb conjugation
CAN CATAPULT

Regular verb: catapult - catapulted - catapulted

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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