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 couldn't keynote you couldn't keynote he couldn't keynote we couldn't keynote you couldn't keynote they couldn't keynote	I couldn't be keynoting you couldn't be keynoting he couldn't be keynoting we couldn't be keynoting you couldn't be keynoting they couldn't be keynoting
Perfect	V-ing perfect
I couldn't have keynoted you couldn't have keynoted he couldn't have keynoted we couldn't have keynoted you couldn't have keynoted they couldn't have keynoted	I couldn't have been keynoting you couldn't have been keynoting he couldn't have been keynoting we couldn't have been keynoting you couldn't have been keynoting they couldn't 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
couldn't I keynote? couldn't you keynote? couldn't he keynote? couldn't we keynote? couldn't you keynote? couldn't they keynote?	couldn't I be keynoting? couldn't you be keynoting? couldn't he be keynoting? couldn't we be keynoting? couldn't you be keynoting? couldn't they be keynoting?
Perfect	V-ing perfect
couldn't I have keynoted? couldn't you have keynoted? couldn't he have keynoted? couldn't we have keynoted? couldn't you have keynoted? couldn't they have keynoted?	couldn't I have been keynoting? couldn't you have been keynoting? couldn't he have been keynoting? couldn't we have been keynoting? couldn't you have been keynoting? couldn't they have been keynoting?