English verb conjugation
COULD INHALE

Regular verb: inhale - inhaled - inhaled

Affirmation

Simple form	V-ing form
I could inhale you could inhale he could inhale we could inhale you could inhale they could inhale	I could be inhaling you could be inhaling he could be inhaling we could be inhaling you could be inhaling they could be inhaling
Perfect	V-ing perfect
I could have inhaled you could have inhaled he could have inhaled we could have inhaled you could have inhaled they could have inhaled	I could have been inhaling you could have been inhaling he could have been inhaling we could have been inhaling you could have been inhaling they could have been inhaling

Negation

Simple form	V-ing form
I couldn't inhale you couldn't inhale he couldn't inhale we couldn't inhale you couldn't inhale they couldn't inhale	I couldn't be inhaling you couldn't be inhaling he couldn't be inhaling we couldn't be inhaling you couldn't be inhaling they couldn't be inhaling
Perfect	V-ing perfect
I couldn't have inhaled you couldn't have inhaled he couldn't have inhaled we couldn't have inhaled you couldn't have inhaled they couldn't have inhaled	I couldn't have been inhaling you couldn't have been inhaling he couldn't have been inhaling we couldn't have been inhaling you couldn't have been inhaling they couldn't have been inhaling

Interrogative form

Simple form	V-ing form
could I inhale? could you inhale? could he inhale? could we inhale? could you inhale? could they inhale?	could I be inhaling? could you be inhaling? could he be inhaling? could we be inhaling? could you be inhaling? could they be inhaling?
Perfect	V-ing perfect
could I have inhaled? could you have inhaled? could he have inhaled? could we have inhaled? could you have inhaled? could they have inhaled?	could I have been inhaling? could you have been inhaling? could he have been inhaling? could we have been inhaling? could you have been inhaling? could they have been inhaling?

Interro-negative form

Simple form	V-ing form
couldn't I inhale? couldn't you inhale? couldn't he inhale? couldn't we inhale? couldn't you inhale? couldn't they inhale?	couldn't I be inhaling? couldn't you be inhaling? couldn't he be inhaling? couldn't we be inhaling? couldn't you be inhaling? couldn't they be inhaling?
Perfect	V-ing perfect
couldn't I have inhaled? couldn't you have inhaled? couldn't he have inhaled? couldn't we have inhaled? couldn't you have inhaled? couldn't they have inhaled?	couldn't I have been inhaling? couldn't you have been inhaling? couldn't he have been inhaling? couldn't we have been inhaling? couldn't you have been inhaling? couldn't they have been inhaling?