English verb conjugation
COULD JUBILATE

Regular verb: jubilate - jubilated - jubilated

Affirmation

Simple form	V-ing form
I could jubilate you could jubilate she could jubilate we could jubilate you could jubilate they could jubilate	I could be jubilating you could be jubilating she could be jubilating we could be jubilating you could be jubilating they could be jubilating
Perfect	V-ing perfect
I could have jubilated you could have jubilated she 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 she 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
I could not jubilate you could not jubilate she could not jubilate we could not jubilate you could not jubilate they could not jubilate	I could not be jubilating you could not be jubilating she could not be jubilating we could not be jubilating you could not be jubilating they could not be jubilating
Perfect	V-ing perfect
I could not have jubilated you could not have jubilated she could not have jubilated we could not have jubilated you could not have jubilated they could not have jubilated	I could not have been jubilating you could not have been jubilating she could not have been jubilating we could not have been jubilating you could not have been jubilating they could not have been jubilating

Interrogative form

Simple form	V-ing form
could I jubilate? could you jubilate? could she jubilate? could we jubilate? could you jubilate? could they jubilate?	could I be jubilating? could you be jubilating? could she be jubilating? could we be jubilating? could you be jubilating? could they be jubilating?
Perfect	V-ing perfect
could I have jubilated? could you have jubilated? could she 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 she 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
could I not jubilate? could you not jubilate? could she not jubilate? could we not jubilate? could you not jubilate? could they not jubilate?	could I not be jubilating? could you not be jubilating? could she not be jubilating? could we not be jubilating? could you not be jubilating? could they not be jubilating?
Perfect	V-ing perfect
could I not have jubilated? could you not have jubilated? could she not have jubilated? could we not have jubilated? could you not have jubilated? could they not have jubilated?	could I not have been jubilating? could you not have been jubilating? could she not have been jubilating? could we not have been jubilating? could you not have been jubilating? could they not have been jubilating?