English verb conjugation
COULD INDICATE

Regular verb: indicate - indicated - indicated

Affirmation

Simple form	V-ing form
I could indicate you could indicate he could indicate we could indicate you could indicate they could indicate	I could be indicating you could be indicating he could be indicating we could be indicating you could be indicating they could be indicating
Perfect	V-ing perfect
I could have indicated you could have indicated he could have indicated we could have indicated you could have indicated they could have indicated	I could have been indicating you could have been indicating he could have been indicating we could have been indicating you could have been indicating they could have been indicating

Negation

Simple form	V-ing form
I couldn't indicate you couldn't indicate he couldn't indicate we couldn't indicate you couldn't indicate they couldn't indicate	I couldn't be indicating you couldn't be indicating he couldn't be indicating we couldn't be indicating you couldn't be indicating they couldn't be indicating
Perfect	V-ing perfect
I couldn't have indicated you couldn't have indicated he couldn't have indicated we couldn't have indicated you couldn't have indicated they couldn't have indicated	I couldn't have been indicating you couldn't have been indicating he couldn't have been indicating we couldn't have been indicating you couldn't have been indicating they couldn't have been indicating

Interrogative form

Simple form	V-ing form
could I indicate? could you indicate? could he indicate? could we indicate? could you indicate? could they indicate?	could I be indicating? could you be indicating? could he be indicating? could we be indicating? could you be indicating? could they be indicating?
Perfect	V-ing perfect
could I have indicated? could you have indicated? could he have indicated? could we have indicated? could you have indicated? could they have indicated?	could I have been indicating? could you have been indicating? could he have been indicating? could we have been indicating? could you have been indicating? could they have been indicating?

Interro-negative form

Simple form	V-ing form
couldn't I indicate? couldn't you indicate? couldn't he indicate? couldn't we indicate? couldn't you indicate? couldn't they indicate?	couldn't I be indicating? couldn't you be indicating? couldn't he be indicating? couldn't we be indicating? couldn't you be indicating? couldn't they be indicating?
Perfect	V-ing perfect
couldn't I have indicated? couldn't you have indicated? couldn't he have indicated? couldn't we have indicated? couldn't you have indicated? couldn't they have indicated?	couldn't I have been indicating? couldn't you have been indicating? couldn't he have been indicating? couldn't we have been indicating? couldn't you have been indicating? couldn't they have been indicating?