English verb conjugation
COULD DEPRECATE

Regular verb: deprecate - deprecated - deprecated

Affirmation

Simple form	V-ing form
I could deprecate you could deprecate he could deprecate we could deprecate you could deprecate they could deprecate	I could be deprecating you could be deprecating he could be deprecating we could be deprecating you could be deprecating they could be deprecating
Perfect	V-ing perfect
I could have deprecated you could have deprecated he could have deprecated we could have deprecated you could have deprecated they could have deprecated	I could have been deprecating you could have been deprecating he could have been deprecating we could have been deprecating you could have been deprecating they could have been deprecating

Negation

Simple form	V-ing form
I couldn't deprecate you couldn't deprecate he couldn't deprecate we couldn't deprecate you couldn't deprecate they couldn't deprecate	I couldn't be deprecating you couldn't be deprecating he couldn't be deprecating we couldn't be deprecating you couldn't be deprecating they couldn't be deprecating
Perfect	V-ing perfect
I couldn't have deprecated you couldn't have deprecated he couldn't have deprecated we couldn't have deprecated you couldn't have deprecated they couldn't have deprecated	I couldn't have been deprecating you couldn't have been deprecating he couldn't have been deprecating we couldn't have been deprecating you couldn't have been deprecating they couldn't have been deprecating

Interrogative form

Simple form	V-ing form
could I deprecate? could you deprecate? could he deprecate? could we deprecate? could you deprecate? could they deprecate?	could I be deprecating? could you be deprecating? could he be deprecating? could we be deprecating? could you be deprecating? could they be deprecating?
Perfect	V-ing perfect
could I have deprecated? could you have deprecated? could he have deprecated? could we have deprecated? could you have deprecated? could they have deprecated?	could I have been deprecating? could you have been deprecating? could he have been deprecating? could we have been deprecating? could you have been deprecating? could they have been deprecating?

Interro-negative form

Simple form	V-ing form
couldn't I deprecate? couldn't you deprecate? couldn't he deprecate? couldn't we deprecate? couldn't you deprecate? couldn't they deprecate?	couldn't I be deprecating? couldn't you be deprecating? couldn't he be deprecating? couldn't we be deprecating? couldn't you be deprecating? couldn't they be deprecating?
Perfect	V-ing perfect
couldn't I have deprecated? couldn't you have deprecated? couldn't he have deprecated? couldn't we have deprecated? couldn't you have deprecated? couldn't they have deprecated?	couldn't I have been deprecating? couldn't you have been deprecating? couldn't he have been deprecating? couldn't we have been deprecating? couldn't you have been deprecating? couldn't they have been deprecating?