I can favor you can favor he can favor we can favor you can favor they can favor
V-ing form
I can be favoring you can be favoring he can be favoring we can be favoring you can be favoring they can be favoring
Perfect
I can have favored you can have favored he can have favored we can have favored you can have favored they can have favored
V-ing perfect
I can have been favoring you can have been favoring he can have been favoring we can have been favoring you can have been favoring they can have been favoring
Negation
Simple form
I can't favor you can't favor he can't favor we can't favor you can't favor they can't favor
V-ing form
I can't be favoring you can't be favoring he can't be favoring we can't be favoring you can't be favoring they can't be favoring
Perfect
I can't have favored you can't have favored he can't have favored we can't have favored you can't have favored they can't have favored
V-ing perfect
I can't have been favoring you can't have been favoring he can't have been favoring we can't have been favoring you can't have been favoring they can't have been favoring
Interrogative form
Simple form
can I favor? can you favor? can he favor? can we favor? can you favor? can they favor?
V-ing form
can I be favoring? can you be favoring? can he be favoring? can we be favoring? can you be favoring? can they be favoring?
Perfect
can I have favored? can you have favored? can he have favored? can we have favored? can you have favored? can they have favored?
V-ing perfect
can I have been favoring? can you have been favoring? can he have been favoring? can we have been favoring? can you have been favoring? can they have been favoring?
Interro-negative form
Simple form
can't I favor? can't you favor? can't he favor? can't we favor? can't you favor? can't they favor?
V-ing form
can't I be favoring? can't you be favoring? can't he be favoring? can't we be favoring? can't you be favoring? can't they be favoring?
Perfect
can't I have favored? can't you have favored? can't he have favored? can't we have favored? can't you have favored? can't they have favored?
V-ing perfect
can't I have been favoring? can't you have been favoring? can't he have been favoring? can't we have been favoring? can't you have been favoring? can't they have been favoring?