English verb conjugation
COULD LIGATURE

Regular verb: ligature - ligatured - ligatured

Affirmation

Simple form	V-ing form
I could ligature you could ligature she could ligature we could ligature you could ligature they could ligature	I could be ligaturing you could be ligaturing she could be ligaturing we could be ligaturing you could be ligaturing they could be ligaturing
Perfect	V-ing perfect
I could have ligatured you could have ligatured she could have ligatured we could have ligatured you could have ligatured they could have ligatured	I could have been ligaturing you could have been ligaturing she could have been ligaturing we could have been ligaturing you could have been ligaturing they could have been ligaturing

Negation

Simple form	V-ing form
I could not ligature you could not ligature she could not ligature we could not ligature you could not ligature they could not ligature	I could not be ligaturing you could not be ligaturing she could not be ligaturing we could not be ligaturing you could not be ligaturing they could not be ligaturing
Perfect	V-ing perfect
I could not have ligatured you could not have ligatured she could not have ligatured we could not have ligatured you could not have ligatured they could not have ligatured	I could not have been ligaturing you could not have been ligaturing she could not have been ligaturing we could not have been ligaturing you could not have been ligaturing they could not have been ligaturing

Interrogative form

Simple form	V-ing form
could I ligature? could you ligature? could she ligature? could we ligature? could you ligature? could they ligature?	could I be ligaturing? could you be ligaturing? could she be ligaturing? could we be ligaturing? could you be ligaturing? could they be ligaturing?
Perfect	V-ing perfect
could I have ligatured? could you have ligatured? could she have ligatured? could we have ligatured? could you have ligatured? could they have ligatured?	could I have been ligaturing? could you have been ligaturing? could she have been ligaturing? could we have been ligaturing? could you have been ligaturing? could they have been ligaturing?

Interro-negative form

Simple form	V-ing form
could I not ligature? could you not ligature? could she not ligature? could we not ligature? could you not ligature? could they not ligature?	could I not be ligaturing? could you not be ligaturing? could she not be ligaturing? could we not be ligaturing? could you not be ligaturing? could they not be ligaturing?
Perfect	V-ing perfect
could I not have ligatured? could you not have ligatured? could she not have ligatured? could we not have ligatured? could you not have ligatured? could they not have ligatured?	could I not have been ligaturing? could you not have been ligaturing? could she not have been ligaturing? could we not have been ligaturing? could you not have been ligaturing? could they not have been ligaturing?