English verb conjugation
COULD ELABORATE

Regular verb: elaborate - elaborated - elaborated

Affirmation

Simple form	V-ing form
I could elaborate you could elaborate she could elaborate we could elaborate you could elaborate they could elaborate	I could be elaborating you could be elaborating she could be elaborating we could be elaborating you could be elaborating they could be elaborating
Perfect	V-ing perfect
I could have elaborated you could have elaborated she could have elaborated we could have elaborated you could have elaborated they could have elaborated	I could have been elaborating you could have been elaborating she could have been elaborating we could have been elaborating you could have been elaborating they could have been elaborating

Negation

Simple form	V-ing form
I could not elaborate you could not elaborate she could not elaborate we could not elaborate you could not elaborate they could not elaborate	I could not be elaborating you could not be elaborating she could not be elaborating we could not be elaborating you could not be elaborating they could not be elaborating
Perfect	V-ing perfect
I could not have elaborated you could not have elaborated she could not have elaborated we could not have elaborated you could not have elaborated they could not have elaborated	I could not have been elaborating you could not have been elaborating she could not have been elaborating we could not have been elaborating you could not have been elaborating they could not have been elaborating

Interrogative form

Simple form	V-ing form
could I elaborate? could you elaborate? could she elaborate? could we elaborate? could you elaborate? could they elaborate?	could I be elaborating? could you be elaborating? could she be elaborating? could we be elaborating? could you be elaborating? could they be elaborating?
Perfect	V-ing perfect
could I have elaborated? could you have elaborated? could she have elaborated? could we have elaborated? could you have elaborated? could they have elaborated?	could I have been elaborating? could you have been elaborating? could she have been elaborating? could we have been elaborating? could you have been elaborating? could they have been elaborating?

Interro-negative form

Simple form	V-ing form
could I not elaborate? could you not elaborate? could she not elaborate? could we not elaborate? could you not elaborate? could they not elaborate?	could I not be elaborating? could you not be elaborating? could she not be elaborating? could we not be elaborating? could you not be elaborating? could they not be elaborating?
Perfect	V-ing perfect
could I not have elaborated? could you not have elaborated? could she not have elaborated? could we not have elaborated? could you not have elaborated? could they not have elaborated?	could I not have been elaborating? could you not have been elaborating? could she not have been elaborating? could we not have been elaborating? could you not have been elaborating? could they not have been elaborating?