could inhale
Regular verb: inhale - inhaled- inhaled

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