I can overinflate you can overinflate he can overinflate we can overinflate you can overinflate they can overinflate
V-ing form
I can be overinflating you can be overinflating he can be overinflating we can be overinflating you can be overinflating they can be overinflating
Perfect
I can have overinflated you can have overinflated he can have overinflated we can have overinflated you can have overinflated they can have overinflated
V-ing perfect
I can have been overinflating you can have been overinflating he can have been overinflating we can have been overinflating you can have been overinflating they can have been overinflating
Negation
Simple form
I can't overinflate you can't overinflate he can't overinflate we can't overinflate you can't overinflate they can't overinflate
V-ing form
I can't be overinflating you can't be overinflating he can't be overinflating we can't be overinflating you can't be overinflating they can't be overinflating
Perfect
I can't have overinflated you can't have overinflated he can't have overinflated we can't have overinflated you can't have overinflated they can't have overinflated
V-ing perfect
I can't have been overinflating you can't have been overinflating he can't have been overinflating we can't have been overinflating you can't have been overinflating they can't have been overinflating
Interrogative form
Simple form
can I overinflate? can you overinflate? can he overinflate? can we overinflate? can you overinflate? can they overinflate?
V-ing form
can I be overinflating? can you be overinflating? can he be overinflating? can we be overinflating? can you be overinflating? can they be overinflating?
Perfect
can I have overinflated? can you have overinflated? can he have overinflated? can we have overinflated? can you have overinflated? can they have overinflated?
V-ing perfect
can I have been overinflating? can you have been overinflating? can he have been overinflating? can we have been overinflating? can you have been overinflating? can they have been overinflating?
Interro-negative form
Simple form
can't I overinflate? can't you overinflate? can't he overinflate? can't we overinflate? can't you overinflate? can't they overinflate?
V-ing form
can't I be overinflating? can't you be overinflating? can't he be overinflating? can't we be overinflating? can't you be overinflating? can't they be overinflating?
Perfect
can't I have overinflated? can't you have overinflated? can't he have overinflated? can't we have overinflated? can't you have overinflated? can't they have overinflated?
V-ing perfect
can't I have been overinflating? can't you have been overinflating? can't he have been overinflating? can't we have been overinflating? can't you have been overinflating? can't they have been overinflating?