English verb conjugation
COULD KEYNOTE

Regular verb: keynote - keynoted - keynoted

Affirmation

Simple form	V-ing form
I could keynote you could keynote he could keynote we could keynote you could keynote they could keynote	I could be keynoting you could be keynoting he could be keynoting we could be keynoting you could be keynoting they could be keynoting
Perfect	V-ing perfect
I could have keynoted you could have keynoted he could have keynoted we could have keynoted you could have keynoted they could have keynoted	I could have been keynoting you could have been keynoting he could have been keynoting we could have been keynoting you could have been keynoting they could have been keynoting

Negation

Simple form	V-ing form
I could not keynote you could not keynote he could not keynote we could not keynote you could not keynote they could not keynote	I could not be keynoting you could not be keynoting he could not be keynoting we could not be keynoting you could not be keynoting they could not be keynoting
Perfect	V-ing perfect
I could not have keynoted you could not have keynoted he could not have keynoted we could not have keynoted you could not have keynoted they could not have keynoted	I could not have been keynoting you could not have been keynoting he could not have been keynoting we could not have been keynoting you could not have been keynoting they could not have been keynoting

Interrogative form

Simple form	V-ing form
could I keynote? could you keynote? could he keynote? could we keynote? could you keynote? could they keynote?	could I be keynoting? could you be keynoting? could he be keynoting? could we be keynoting? could you be keynoting? could they be keynoting?
Perfect	V-ing perfect
could I have keynoted? could you have keynoted? could he have keynoted? could we have keynoted? could you have keynoted? could they have keynoted?	could I have been keynoting? could you have been keynoting? could he have been keynoting? could we have been keynoting? could you have been keynoting? could they have been keynoting?

Interro-negative form

Simple form	V-ing form
could I not keynote? could you not keynote? could he not keynote? could we not keynote? could you not keynote? could they not keynote?	could I not be keynoting? could you not be keynoting? could he not be keynoting? could we not be keynoting? could you not be keynoting? could they not be keynoting?
Perfect	V-ing perfect
could I not have keynoted? could you not have keynoted? could he not have keynoted? could we not have keynoted? could you not have keynoted? could they not have keynoted?	could I not have been keynoting? could you not have been keynoting? could he not have been keynoting? could we not have been keynoting? could you not have been keynoting? could they not have been keynoting?