could obliterate
Regular verb: obliterate - obliterated- obliterated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could obliterate
you could obliterate
he could obliterate
we could obliterate
you could obliterate
they could obliterate 	I could be obliterating
you could be obliterating
he could be obliterating
we could be obliterating
you could be obliterating
they could be obliterating	I could have obliterated
you could have obliterated
he could have obliterated
we could have obliterated
you could have obliterated
they could have obliterated	I could have been obliterating
you could have been obliterating
he could have been obliterating
we could have been obliterating
you could have been obliterating
they could have been obliterating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't obliterate
you couldn't obliterate
he couldn't obliterate
we couldn't obliterate
you couldn't obliterate
they couldn't obliterate 	I couldn't be obliterating
you couldn't be obliterating
he couldn't be obliterating
we couldn't be obliterating
you couldn't be obliterating
they couldn't be obliterating	I couldn't have obliterated
you couldn't have obliterated
he couldn't have obliterated
we couldn't have obliterated
you couldn't have obliterated
they couldn't have obliterated	I couldn't have been obliterating
you couldn't have been obliterating
he couldn't have been obliterating
we couldn't have been obliterating
you couldn't have been obliterating
they couldn't have been obliterating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I obliterate?
could you obliterate?
could he obliterate?
could we obliterate?
could you obliterate?
could they obliterate? 	could I be obliterating?
could you be obliterating?
could he be obliterating?
could we be obliterating?
could you be obliterating?
could they be obliterating? 	could I have obliterated?
could you have obliterated?
could he have obliterated?
could we have obliterated?
could you have obliterated?
could they have obliterated? 	could I have been obliterating?
could you have been obliterating?
could he have been obliterating?
could we have been obliterating?
could you have been obliterating?
could they have been obliterating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I obliterate?
couldn't you obliterate?
couldn't he obliterate?
couldn't we obliterate?
couldn't you obliterate?
couldn't they obliterate? 	couldn't I be obliterating?
couldn't you be obliterating?
couldn't he be obliterating?
couldn't we be obliterating?
couldn't you be obliterating?
couldn't they be obliterating? 	couldn't I have obliterated?
couldn't you have obliterated?
couldn't he have obliterated?
couldn't we have obliterated?
couldn't you have obliterated?
couldn't they have obliterated? 	couldn't I have been obliterating?
couldn't you have been obliterating?
couldn't he have been obliterating?
couldn't we have been obliterating?
couldn't you have been obliterating?
couldn't they have been obliterating?