could inflate
Regular verb: inflate - inflated- inflated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could inflate
you could inflate
she could inflate
we could inflate
you could inflate
they could inflate 	I could be inflating
you could be inflating
she could be inflating
we could be inflating
you could be inflating
they could be inflating	I could have inflated
you could have inflated
she could have inflated
we could have inflated
you could have inflated
they could have inflated	I could have been inflating
you could have been inflating
she could have been inflating
we could have been inflating
you could have been inflating
they could have been inflating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't inflate
you couldn't inflate
she couldn't inflate
we couldn't inflate
you couldn't inflate
they couldn't inflate 	I couldn't be inflating
you couldn't be inflating
she couldn't be inflating
we couldn't be inflating
you couldn't be inflating
they couldn't be inflating	I couldn't have inflated
you couldn't have inflated
she couldn't have inflated
we couldn't have inflated
you couldn't have inflated
they couldn't have inflated	I couldn't have been inflating
you couldn't have been inflating
she couldn't have been inflating
we couldn't have been inflating
you couldn't have been inflating
they couldn't have been inflating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I inflate?
could you inflate?
could she inflate?
could we inflate?
could you inflate?
could they inflate? 	could I be inflating?
could you be inflating?
could she be inflating?
could we be inflating?
could you be inflating?
could they be inflating? 	could I have inflated?
could you have inflated?
could she have inflated?
could we have inflated?
could you have inflated?
could they have inflated? 	could I have been inflating?
could you have been inflating?
could she have been inflating?
could we have been inflating?
could you have been inflating?
could they have been inflating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I inflate?
couldn't you inflate?
couldn't she inflate?
couldn't we inflate?
couldn't you inflate?
couldn't they inflate? 	couldn't I be inflating?
couldn't you be inflating?
couldn't she be inflating?
couldn't we be inflating?
couldn't you be inflating?
couldn't they be inflating? 	couldn't I have inflated?
couldn't you have inflated?
couldn't she have inflated?
couldn't we have inflated?
couldn't you have inflated?
couldn't they have inflated? 	couldn't I have been inflating?
couldn't you have been inflating?
couldn't she have been inflating?
couldn't we have been inflating?
couldn't you have been inflating?
couldn't they have been inflating?