I can elevate you can elevate he can elevate we can elevate you can elevate they can elevate
V-ing form
I can be elevating you can be elevating he can be elevating we can be elevating you can be elevating they can be elevating
Perfect
I can have elevated you can have elevated he can have elevated we can have elevated you can have elevated they can have elevated
V-ing perfect
I can have been elevating you can have been elevating he can have been elevating we can have been elevating you can have been elevating they can have been elevating
Negation
Simple form
I can't elevate you can't elevate he can't elevate we can't elevate you can't elevate they can't elevate
V-ing form
I can't be elevating you can't be elevating he can't be elevating we can't be elevating you can't be elevating they can't be elevating
Perfect
I can't have elevated you can't have elevated he can't have elevated we can't have elevated you can't have elevated they can't have elevated
V-ing perfect
I can't have been elevating you can't have been elevating he can't have been elevating we can't have been elevating you can't have been elevating they can't have been elevating
Interrogative form
Simple form
can I elevate? can you elevate? can he elevate? can we elevate? can you elevate? can they elevate?
V-ing form
can I be elevating? can you be elevating? can he be elevating? can we be elevating? can you be elevating? can they be elevating?
Perfect
can I have elevated? can you have elevated? can he have elevated? can we have elevated? can you have elevated? can they have elevated?
V-ing perfect
can I have been elevating? can you have been elevating? can he have been elevating? can we have been elevating? can you have been elevating? can they have been elevating?
Interro-negative form
Simple form
can't I elevate? can't you elevate? can't he elevate? can't we elevate? can't you elevate? can't they elevate?
V-ing form
can't I be elevating? can't you be elevating? can't he be elevating? can't we be elevating? can't you be elevating? can't they be elevating?
Perfect
can't I have elevated? can't you have elevated? can't he have elevated? can't we have elevated? can't you have elevated? can't they have elevated?
V-ing perfect
can't I have been elevating? can't you have been elevating? can't he have been elevating? can't we have been elevating? can't you have been elevating? can't they have been elevating?