English verb conjugation
COULD DECONCENTRATE

Regular verb: deconcentrate - deconcentrated - deconcentrated

Affirmation

Simple form	V-ing form
I could deconcentrate you could deconcentrate he could deconcentrate we could deconcentrate you could deconcentrate they could deconcentrate	I could be deconcentrating you could be deconcentrating he could be deconcentrating we could be deconcentrating you could be deconcentrating they could be deconcentrating
Perfect	V-ing perfect
I could have deconcentrated you could have deconcentrated he could have deconcentrated we could have deconcentrated you could have deconcentrated they could have deconcentrated	I could have been deconcentrating you could have been deconcentrating he could have been deconcentrating we could have been deconcentrating you could have been deconcentrating they could have been deconcentrating

Negation

Simple form	V-ing form
I couldn't deconcentrate you couldn't deconcentrate he couldn't deconcentrate we couldn't deconcentrate you couldn't deconcentrate they couldn't deconcentrate	I couldn't be deconcentrating you couldn't be deconcentrating he couldn't be deconcentrating we couldn't be deconcentrating you couldn't be deconcentrating they couldn't be deconcentrating
Perfect	V-ing perfect
I couldn't have deconcentrated you couldn't have deconcentrated he couldn't have deconcentrated we couldn't have deconcentrated you couldn't have deconcentrated they couldn't have deconcentrated	I couldn't have been deconcentrating you couldn't have been deconcentrating he couldn't have been deconcentrating we couldn't have been deconcentrating you couldn't have been deconcentrating they couldn't have been deconcentrating

Interrogative form

Simple form	V-ing form
could I deconcentrate? could you deconcentrate? could he deconcentrate? could we deconcentrate? could you deconcentrate? could they deconcentrate?	could I be deconcentrating? could you be deconcentrating? could he be deconcentrating? could we be deconcentrating? could you be deconcentrating? could they be deconcentrating?
Perfect	V-ing perfect
could I have deconcentrated? could you have deconcentrated? could he have deconcentrated? could we have deconcentrated? could you have deconcentrated? could they have deconcentrated?	could I have been deconcentrating? could you have been deconcentrating? could he have been deconcentrating? could we have been deconcentrating? could you have been deconcentrating? could they have been deconcentrating?

Interro-negative form

Simple form	V-ing form
couldn't I deconcentrate? couldn't you deconcentrate? couldn't he deconcentrate? couldn't we deconcentrate? couldn't you deconcentrate? couldn't they deconcentrate?	couldn't I be deconcentrating? couldn't you be deconcentrating? couldn't he be deconcentrating? couldn't we be deconcentrating? couldn't you be deconcentrating? couldn't they be deconcentrating?
Perfect	V-ing perfect
couldn't I have deconcentrated? couldn't you have deconcentrated? couldn't he have deconcentrated? couldn't we have deconcentrated? couldn't you have deconcentrated? couldn't they have deconcentrated?	couldn't I have been deconcentrating? couldn't you have been deconcentrating? couldn't he have been deconcentrating? couldn't we have been deconcentrating? couldn't you have been deconcentrating? couldn't they have been deconcentrating?