English verb conjugation
COULD INSERT INSERT

Regular verb: insert insert - insert inserted - insert inserted

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could insert insert you could insert insert he could insert insert we could insert insert you could insert insert they could insert insert	I could be insert inserting you could be insert inserting he could be insert inserting we could be insert inserting you could be insert inserting they could be insert inserting
Perfect	V-ing perfect
I could have insert inserted you could have insert inserted he could have insert inserted we could have insert inserted you could have insert inserted they could have insert inserted	I could have been insert inserting you could have been insert inserting he could have been insert inserting we could have been insert inserting you could have been insert inserting they could have been insert inserting

Negation

Simple form	V-ing form
I could not insert insert you could not insert insert he could not insert insert we could not insert insert you could not insert insert they could not insert insert	I could not be insert inserting you could not be insert inserting he could not be insert inserting we could not be insert inserting you could not be insert inserting they could not be insert inserting
Perfect	V-ing perfect
I could not have insert inserted you could not have insert inserted he could not have insert inserted we could not have insert inserted you could not have insert inserted they could not have insert inserted	I could not have been insert inserting you could not have been insert inserting he could not have been insert inserting we could not have been insert inserting you could not have been insert inserting they could not have been insert inserting

Interrogative form

Simple form	V-ing form
could I insert insert? could you insert insert? could he insert insert? could we insert insert? could you insert insert? could they insert insert?	could I be insert inserting? could you be insert inserting? could he be insert inserting? could we be insert inserting? could you be insert inserting? could they be insert inserting?
Perfect	V-ing perfect
could I have insert inserted? could you have insert inserted? could he have insert inserted? could we have insert inserted? could you have insert inserted? could they have insert inserted?	could I have been insert inserting? could you have been insert inserting? could he have been insert inserting? could we have been insert inserting? could you have been insert inserting? could they have been insert inserting?

Interro-negative form

Simple form	V-ing form
could I not insert insert? could you not insert insert? could he not insert insert? could we not insert insert? could you not insert insert? could they not insert insert?	could I not be insert inserting? could you not be insert inserting? could he not be insert inserting? could we not be insert inserting? could you not be insert inserting? could they not be insert inserting?
Perfect	V-ing perfect
could I not have insert inserted? could you not have insert inserted? could he not have insert inserted? could we not have insert inserted? could you not have insert inserted? could they not have insert inserted?	could I not have been insert inserting? could you not have been insert inserting? could he not have been insert inserting? could we not have been insert inserting? could you not have been insert inserting? could they not have been insert inserting?