could catapult
Regular verb: catapult - catapulted- catapulted

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

Negation 	
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I could not catapult
you could not catapult
he could not catapult
we could not catapult
you could not catapult
they could not catapult 	I could not be catapulting
you could not be catapulting
he could not be catapulting
we could not be catapulting
you could not be catapulting
they could not be catapulting	I could not have catapulted
you could not have catapulted
he could not have catapulted
we could not have catapulted
you could not have catapulted
they could not have catapulted	I could not have been catapulting
you could not have been catapulting
he could not have been catapulting
we could not have been catapulting
you could not have been catapulting
they could not have been catapulting	

Interrogative form 	
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could I catapult?
could you catapult?
could he catapult?
could we catapult?
could you catapult?
could they catapult? 	could I be catapulting?
could you be catapulting?
could he be catapulting?
could we be catapulting?
could you be catapulting?
could they be catapulting? 	could I have catapulted?
could you have catapulted?
could he 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 he 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 	Perfect 	V-ing perfect 	
could I not catapult?
could you not catapult?
could he not catapult?
could we not catapult?
could you not catapult?
could they not catapult? 	could I not be catapulting?
could you not be catapulting?
could he not be catapulting?
could we not be catapulting?
could you not be catapulting?
could they not be catapulting? 	could I not have catapulted?
could you not have catapulted?
could he not have catapulted?
could we not have catapulted?
could you not have catapulted?
could they not have catapulted? 	could I not have been catapulting?
could you not have been catapulting?
could he not have been catapulting?
could we not have been catapulting?
could you not have been catapulting?
could they not have been catapulting?