English verb conjugation
COULD DECONTROL

Regular verb: decontrol - decontrolled - decontrolled

Affirmation

Simple form	V-ing form
I could decontrol you could decontrol he could decontrol we could decontrol you could decontrol they could decontrol	I could be decontrolling you could be decontrolling he could be decontrolling we could be decontrolling you could be decontrolling they could be decontrolling
Perfect	V-ing perfect
I could have decontrolled you could have decontrolled he could have decontrolled we could have decontrolled you could have decontrolled they could have decontrolled	I could have been decontrolling you could have been decontrolling he could have been decontrolling we could have been decontrolling you could have been decontrolling they could have been decontrolling

Negation

Simple form	V-ing form
I couldn't decontrol you couldn't decontrol he couldn't decontrol we couldn't decontrol you couldn't decontrol they couldn't decontrol	I couldn't be decontrolling you couldn't be decontrolling he couldn't be decontrolling we couldn't be decontrolling you couldn't be decontrolling they couldn't be decontrolling
Perfect	V-ing perfect
I couldn't have decontrolled you couldn't have decontrolled he couldn't have decontrolled we couldn't have decontrolled you couldn't have decontrolled they couldn't have decontrolled	I couldn't have been decontrolling you couldn't have been decontrolling he couldn't have been decontrolling we couldn't have been decontrolling you couldn't have been decontrolling they couldn't have been decontrolling

Interrogative form

Simple form	V-ing form
could I decontrol? could you decontrol? could he decontrol? could we decontrol? could you decontrol? could they decontrol?	could I be decontrolling? could you be decontrolling? could he be decontrolling? could we be decontrolling? could you be decontrolling? could they be decontrolling?
Perfect	V-ing perfect
could I have decontrolled? could you have decontrolled? could he have decontrolled? could we have decontrolled? could you have decontrolled? could they have decontrolled?	could I have been decontrolling? could you have been decontrolling? could he have been decontrolling? could we have been decontrolling? could you have been decontrolling? could they have been decontrolling?

Interro-negative form

Simple form	V-ing form
couldn't I decontrol? couldn't you decontrol? couldn't he decontrol? couldn't we decontrol? couldn't you decontrol? couldn't they decontrol?	couldn't I be decontrolling? couldn't you be decontrolling? couldn't he be decontrolling? couldn't we be decontrolling? couldn't you be decontrolling? couldn't they be decontrolling?
Perfect	V-ing perfect
couldn't I have decontrolled? couldn't you have decontrolled? couldn't he have decontrolled? couldn't we have decontrolled? couldn't you have decontrolled? couldn't they have decontrolled?	couldn't I have been decontrolling? couldn't you have been decontrolling? couldn't he have been decontrolling? couldn't we have been decontrolling? couldn't you have been decontrolling? couldn't they have been decontrolling?