could consist
Regular verb: consist - consisted- consisted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could consist
you could consist
he could consist
we could consist
you could consist
they could consist 	I could be consisting
you could be consisting
he could be consisting
we could be consisting
you could be consisting
they could be consisting	I could have consisted
you could have consisted
he could have consisted
we could have consisted
you could have consisted
they could have consisted	I could have been consisting
you could have been consisting
he could have been consisting
we could have been consisting
you could have been consisting
they could have been consisting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't consist
you couldn't consist
he couldn't consist
we couldn't consist
you couldn't consist
they couldn't consist 	I couldn't be consisting
you couldn't be consisting
he couldn't be consisting
we couldn't be consisting
you couldn't be consisting
they couldn't be consisting	I couldn't have consisted
you couldn't have consisted
he couldn't have consisted
we couldn't have consisted
you couldn't have consisted
they couldn't have consisted	I couldn't have been consisting
you couldn't have been consisting
he couldn't have been consisting
we couldn't have been consisting
you couldn't have been consisting
they couldn't have been consisting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I consist?
could you consist?
could he consist?
could we consist?
could you consist?
could they consist? 	could I be consisting?
could you be consisting?
could he be consisting?
could we be consisting?
could you be consisting?
could they be consisting? 	could I have consisted?
could you have consisted?
could he have consisted?
could we have consisted?
could you have consisted?
could they have consisted? 	could I have been consisting?
could you have been consisting?
could he have been consisting?
could we have been consisting?
could you have been consisting?
could they have been consisting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I consist?
couldn't you consist?
couldn't he consist?
couldn't we consist?
couldn't you consist?
couldn't they consist? 	couldn't I be consisting?
couldn't you be consisting?
couldn't he be consisting?
couldn't we be consisting?
couldn't you be consisting?
couldn't they be consisting? 	couldn't I have consisted?
couldn't you have consisted?
couldn't he have consisted?
couldn't we have consisted?
couldn't you have consisted?
couldn't they have consisted? 	couldn't I have been consisting?
couldn't you have been consisting?
couldn't he have been consisting?
couldn't we have been consisting?
couldn't you have been consisting?
couldn't they have been consisting?