could jubilate
Regular verb: jubilate - jubilated- jubilated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could jubilate
you could jubilate
he could jubilate
we could jubilate
you could jubilate
they could jubilate 	I could be jubilating
you could be jubilating
he could be jubilating
we could be jubilating
you could be jubilating
they could be jubilating	I could have jubilated
you could have jubilated
he could have jubilated
we could have jubilated
you could have jubilated
they could have jubilated	I could have been jubilating
you could have been jubilating
he could have been jubilating
we could have been jubilating
you could have been jubilating
they could have been jubilating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't jubilate
you couldn't jubilate
he couldn't jubilate
we couldn't jubilate
you couldn't jubilate
they couldn't jubilate 	I couldn't be jubilating
you couldn't be jubilating
he couldn't be jubilating
we couldn't be jubilating
you couldn't be jubilating
they couldn't be jubilating	I couldn't have jubilated
you couldn't have jubilated
he couldn't have jubilated
we couldn't have jubilated
you couldn't have jubilated
they couldn't have jubilated	I couldn't have been jubilating
you couldn't have been jubilating
he couldn't have been jubilating
we couldn't have been jubilating
you couldn't have been jubilating
they couldn't have been jubilating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I jubilate?
could you jubilate?
could he jubilate?
could we jubilate?
could you jubilate?
could they jubilate? 	could I be jubilating?
could you be jubilating?
could he be jubilating?
could we be jubilating?
could you be jubilating?
could they be jubilating? 	could I have jubilated?
could you have jubilated?
could he have jubilated?
could we have jubilated?
could you have jubilated?
could they have jubilated? 	could I have been jubilating?
could you have been jubilating?
could he have been jubilating?
could we have been jubilating?
could you have been jubilating?
could they have been jubilating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I jubilate?
couldn't you jubilate?
couldn't he jubilate?
couldn't we jubilate?
couldn't you jubilate?
couldn't they jubilate? 	couldn't I be jubilating?
couldn't you be jubilating?
couldn't he be jubilating?
couldn't we be jubilating?
couldn't you be jubilating?
couldn't they be jubilating? 	couldn't I have jubilated?
couldn't you have jubilated?
couldn't he have jubilated?
couldn't we have jubilated?
couldn't you have jubilated?
couldn't they have jubilated? 	couldn't I have been jubilating?
couldn't you have been jubilating?
couldn't he have been jubilating?
couldn't we have been jubilating?
couldn't you have been jubilating?
couldn't they have been jubilating?