could carpenter
Regular verb: carpenter - carpentered- carpentered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could carpenter
you could carpenter
she could carpenter
we could carpenter
you could carpenter
they could carpenter 	I could be carpentering
you could be carpentering
she could be carpentering
we could be carpentering
you could be carpentering
they could be carpentering	I could have carpentered
you could have carpentered
she could have carpentered
we could have carpentered
you could have carpentered
they could have carpentered	I could have been carpentering
you could have been carpentering
she could have been carpentering
we could have been carpentering
you could have been carpentering
they could have been carpentering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not carpenter
you could not carpenter
she could not carpenter
we could not carpenter
you could not carpenter
they could not carpenter 	I could not be carpentering
you could not be carpentering
she could not be carpentering
we could not be carpentering
you could not be carpentering
they could not be carpentering	I could not have carpentered
you could not have carpentered
she could not have carpentered
we could not have carpentered
you could not have carpentered
they could not have carpentered	I could not have been carpentering
you could not have been carpentering
she could not have been carpentering
we could not have been carpentering
you could not have been carpentering
they could not have been carpentering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I carpenter?
could you carpenter?
could she carpenter?
could we carpenter?
could you carpenter?
could they carpenter? 	could I be carpentering?
could you be carpentering?
could she be carpentering?
could we be carpentering?
could you be carpentering?
could they be carpentering? 	could I have carpentered?
could you have carpentered?
could she have carpentered?
could we have carpentered?
could you have carpentered?
could they have carpentered? 	could I have been carpentering?
could you have been carpentering?
could she have been carpentering?
could we have been carpentering?
could you have been carpentering?
could they have been carpentering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not carpenter?
could you not carpenter?
could she not carpenter?
could we not carpenter?
could you not carpenter?
could they not carpenter? 	could I not be carpentering?
could you not be carpentering?
could she not be carpentering?
could we not be carpentering?
could you not be carpentering?
could they not be carpentering? 	could I not have carpentered?
could you not have carpentered?
could she not have carpentered?
could we not have carpentered?
could you not have carpentered?
could they not have carpentered? 	could I not have been carpentering?
could you not have been carpentering?
could she not have been carpentering?
could we not have been carpentering?
could you not have been carpentering?
could they not have been carpentering?