English verb conjugation
COULD DENOTE

Regular verb: denote - denoted - denoted

Affirmation

Simple form	V-ing form
I could denote you could denote he could denote we could denote you could denote they could denote	I could be denoting you could be denoting he could be denoting we could be denoting you could be denoting they could be denoting
Perfect	V-ing perfect
I could have denoted you could have denoted he could have denoted we could have denoted you could have denoted they could have denoted	I could have been denoting you could have been denoting he could have been denoting we could have been denoting you could have been denoting they could have been denoting

Negation

Simple form	V-ing form
I couldn't denote you couldn't denote he couldn't denote we couldn't denote you couldn't denote they couldn't denote	I couldn't be denoting you couldn't be denoting he couldn't be denoting we couldn't be denoting you couldn't be denoting they couldn't be denoting
Perfect	V-ing perfect
I couldn't have denoted you couldn't have denoted he couldn't have denoted we couldn't have denoted you couldn't have denoted they couldn't have denoted	I couldn't have been denoting you couldn't have been denoting he couldn't have been denoting we couldn't have been denoting you couldn't have been denoting they couldn't have been denoting

Interrogative form

Simple form	V-ing form
could I denote? could you denote? could he denote? could we denote? could you denote? could they denote?	could I be denoting? could you be denoting? could he be denoting? could we be denoting? could you be denoting? could they be denoting?
Perfect	V-ing perfect
could I have denoted? could you have denoted? could he have denoted? could we have denoted? could you have denoted? could they have denoted?	could I have been denoting? could you have been denoting? could he have been denoting? could we have been denoting? could you have been denoting? could they have been denoting?

Interro-negative form

Simple form	V-ing form
couldn't I denote? couldn't you denote? couldn't he denote? couldn't we denote? couldn't you denote? couldn't they denote?	couldn't I be denoting? couldn't you be denoting? couldn't he be denoting? couldn't we be denoting? couldn't you be denoting? couldn't they be denoting?
Perfect	V-ing perfect
couldn't I have denoted? couldn't you have denoted? couldn't he have denoted? couldn't we have denoted? couldn't you have denoted? couldn't they have denoted?	couldn't I have been denoting? couldn't you have been denoting? couldn't he have been denoting? couldn't we have been denoting? couldn't you have been denoting? couldn't they have been denoting?