I can deflate you can deflate he can deflate we can deflate you can deflate they can deflate
V-ing form
I can be deflating you can be deflating he can be deflating we can be deflating you can be deflating they can be deflating
Perfect
I can have deflated you can have deflated he can have deflated we can have deflated you can have deflated they can have deflated
V-ing perfect
I can have been deflating you can have been deflating he can have been deflating we can have been deflating you can have been deflating they can have been deflating
Negation
Simple form
I can't deflate you can't deflate he can't deflate we can't deflate you can't deflate they can't deflate
V-ing form
I can't be deflating you can't be deflating he can't be deflating we can't be deflating you can't be deflating they can't be deflating
Perfect
I can't have deflated you can't have deflated he can't have deflated we can't have deflated you can't have deflated they can't have deflated
V-ing perfect
I can't have been deflating you can't have been deflating he can't have been deflating we can't have been deflating you can't have been deflating they can't have been deflating
Interrogative form
Simple form
can I deflate? can you deflate? can he deflate? can we deflate? can you deflate? can they deflate?
V-ing form
can I be deflating? can you be deflating? can he be deflating? can we be deflating? can you be deflating? can they be deflating?
Perfect
can I have deflated? can you have deflated? can he have deflated? can we have deflated? can you have deflated? can they have deflated?
V-ing perfect
can I have been deflating? can you have been deflating? can he have been deflating? can we have been deflating? can you have been deflating? can they have been deflating?
Interro-negative form
Simple form
can't I deflate? can't you deflate? can't he deflate? can't we deflate? can't you deflate? can't they deflate?
V-ing form
can't I be deflating? can't you be deflating? can't he be deflating? can't we be deflating? can't you be deflating? can't they be deflating?
Perfect
can't I have deflated? can't you have deflated? can't he have deflated? can't we have deflated? can't you have deflated? can't they have deflated?
V-ing perfect
can't I have been deflating? can't you have been deflating? can't he have been deflating? can't we have been deflating? can't you have been deflating? can't they have been deflating?