I could inflate you could inflate she could inflate we could inflate you could inflate they could inflate
V-ing form
I could be inflating you could be inflating she could be inflating we could be inflating you could be inflating they could be inflating
Perfect
I could have inflated you could have inflated she could have inflated we could have inflated you could have inflated they could have inflated
V-ing perfect
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
I could not inflate you could not inflate she could not inflate we could not inflate you could not inflate they could not inflate
V-ing form
I could not be inflating you could not be inflating she could not be inflating we could not be inflating you could not be inflating they could not be inflating
Perfect
I could not have inflated you could not have inflated she could not have inflated we could not have inflated you could not have inflated they could not have inflated
V-ing perfect
I could not have been inflating you could not have been inflating she could not have been inflating we could not have been inflating you could not have been inflating they could not have been inflating
Interrogative form
Simple form
could I inflate? could you inflate? could she inflate? could we inflate? could you inflate? could they inflate?
V-ing form
could I be inflating? could you be inflating? could she be inflating? could we be inflating? could you be inflating? could they be inflating?
Perfect
could I have inflated? could you have inflated? could she have inflated? could we have inflated? could you have inflated? could they have inflated?
V-ing perfect
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
could I not inflate? could you not inflate? could she not inflate? could we not inflate? could you not inflate? could they not inflate?
V-ing form
could I not be inflating? could you not be inflating? could she not be inflating? could we not be inflating? could you not be inflating? could they not be inflating?
Perfect
could I not have inflated? could you not have inflated? could she not have inflated? could we not have inflated? could you not have inflated? could they not have inflated?
V-ing perfect
could I not have been inflating? could you not have been inflating? could she not have been inflating? could we not have been inflating? could you not have been inflating? could they not have been inflating?