I can obviate you can obviate he can obviate we can obviate you can obviate they can obviate
V-ing form
I can be obviating you can be obviating he can be obviating we can be obviating you can be obviating they can be obviating
Perfect
I can have obviated you can have obviated he can have obviated we can have obviated you can have obviated they can have obviated
V-ing perfect
I can have been obviating you can have been obviating he can have been obviating we can have been obviating you can have been obviating they can have been obviating
Negation
Simple form
I cannot obviate you cannot obviate he cannot obviate we cannot obviate you cannot obviate they cannot obviate
V-ing form
I cannot be obviating you cannot be obviating he cannot be obviating we cannot be obviating you cannot be obviating they cannot be obviating
Perfect
I cannot have obviated you cannot have obviated he cannot have obviated we cannot have obviated you cannot have obviated they cannot have obviated
V-ing perfect
I cannot have been obviating you cannot have been obviating he cannot have been obviating we cannot have been obviating you cannot have been obviating they cannot have been obviating
Interrogative form
Simple form
can I obviate? can you obviate? can he obviate? can we obviate? can you obviate? can they obviate?
V-ing form
can I be obviating? can you be obviating? can he be obviating? can we be obviating? can you be obviating? can they be obviating?
Perfect
can I have obviated? can you have obviated? can he have obviated? can we have obviated? can you have obviated? can they have obviated?
V-ing perfect
can I have been obviating? can you have been obviating? can he have been obviating? can we have been obviating? can you have been obviating? can they have been obviating?
Interro-negative form
Simple form
can I not obviate? can you not obviate? can he not obviate? can we not obviate? can you not obviate? can they not obviate?
V-ing form
can I not be obviating? can you not be obviating? can he not be obviating? can we not be obviating? can you not be obviating? can they not be obviating?
Perfect
can I not have obviated? can you not have obviated? can he not have obviated? can we not have obviated? can you not have obviated? can they not have obviated?
V-ing perfect
can I not have been obviating? can you not have been obviating? can he not have been obviating? can we not have been obviating? can you not have been obviating? can they not have been obviating?