could carjack
Regular verb: carjack - carjacked- carjacked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could carjack
you could carjack
she could carjack
we could carjack
you could carjack
they could carjack 	I could be carjacking
you could be carjacking
she could be carjacking
we could be carjacking
you could be carjacking
they could be carjacking	I could have carjacked
you could have carjacked
she could have carjacked
we could have carjacked
you could have carjacked
they could have carjacked	I could have been carjacking
you could have been carjacking
she could have been carjacking
we could have been carjacking
you could have been carjacking
they could have been carjacking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't carjack
you couldn't carjack
she couldn't carjack
we couldn't carjack
you couldn't carjack
they couldn't carjack 	I couldn't be carjacking
you couldn't be carjacking
she couldn't be carjacking
we couldn't be carjacking
you couldn't be carjacking
they couldn't be carjacking	I couldn't have carjacked
you couldn't have carjacked
she couldn't have carjacked
we couldn't have carjacked
you couldn't have carjacked
they couldn't have carjacked	I couldn't have been carjacking
you couldn't have been carjacking
she couldn't have been carjacking
we couldn't have been carjacking
you couldn't have been carjacking
they couldn't have been carjacking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I carjack?
could you carjack?
could she carjack?
could we carjack?
could you carjack?
could they carjack? 	could I be carjacking?
could you be carjacking?
could she be carjacking?
could we be carjacking?
could you be carjacking?
could they be carjacking? 	could I have carjacked?
could you have carjacked?
could she have carjacked?
could we have carjacked?
could you have carjacked?
could they have carjacked? 	could I have been carjacking?
could you have been carjacking?
could she have been carjacking?
could we have been carjacking?
could you have been carjacking?
could they have been carjacking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I carjack?
couldn't you carjack?
couldn't she carjack?
couldn't we carjack?
couldn't you carjack?
couldn't they carjack? 	couldn't I be carjacking?
couldn't you be carjacking?
couldn't she be carjacking?
couldn't we be carjacking?
couldn't you be carjacking?
couldn't they be carjacking? 	couldn't I have carjacked?
couldn't you have carjacked?
couldn't she have carjacked?
couldn't we have carjacked?
couldn't you have carjacked?
couldn't they have carjacked? 	couldn't I have been carjacking?
couldn't you have been carjacking?
couldn't she have been carjacking?
couldn't we have been carjacking?
couldn't you have been carjacking?
couldn't they have been carjacking?