I can brown-nose you can brown-nose he can brown-nose we can brown-nose you can brown-nose they can brown-nose
V-ing form
I can be brown-nosing you can be brown-nosing he can be brown-nosing we can be brown-nosing you can be brown-nosing they can be brown-nosing
Perfect
I can have brown-nosed you can have brown-nosed he can have brown-nosed we can have brown-nosed you can have brown-nosed they can have brown-nosed
V-ing perfect
I can have been brown-nosing you can have been brown-nosing he can have been brown-nosing we can have been brown-nosing you can have been brown-nosing they can have been brown-nosing
Negation
Simple form
I can't brown-nose you can't brown-nose he can't brown-nose we can't brown-nose you can't brown-nose they can't brown-nose
V-ing form
I can't be brown-nosing you can't be brown-nosing he can't be brown-nosing we can't be brown-nosing you can't be brown-nosing they can't be brown-nosing
Perfect
I can't have brown-nosed you can't have brown-nosed he can't have brown-nosed we can't have brown-nosed you can't have brown-nosed they can't have brown-nosed
V-ing perfect
I can't have been brown-nosing you can't have been brown-nosing he can't have been brown-nosing we can't have been brown-nosing you can't have been brown-nosing they can't have been brown-nosing
Interrogative form
Simple form
can I brown-nose? can you brown-nose? can he brown-nose? can we brown-nose? can you brown-nose? can they brown-nose?
V-ing form
can I be brown-nosing? can you be brown-nosing? can he be brown-nosing? can we be brown-nosing? can you be brown-nosing? can they be brown-nosing?
Perfect
can I have brown-nosed? can you have brown-nosed? can he have brown-nosed? can we have brown-nosed? can you have brown-nosed? can they have brown-nosed?
V-ing perfect
can I have been brown-nosing? can you have been brown-nosing? can he have been brown-nosing? can we have been brown-nosing? can you have been brown-nosing? can they have been brown-nosing?
Interro-negative form
Simple form
can't I brown-nose? can't you brown-nose? can't he brown-nose? can't we brown-nose? can't you brown-nose? can't they brown-nose?
V-ing form
can't I be brown-nosing? can't you be brown-nosing? can't he be brown-nosing? can't we be brown-nosing? can't you be brown-nosing? can't they be brown-nosing?
Perfect
can't I have brown-nosed? can't you have brown-nosed? can't he have brown-nosed? can't we have brown-nosed? can't you have brown-nosed? can't they have brown-nosed?
V-ing perfect
can't I have been brown-nosing? can't you have been brown-nosing? can't he have been brown-nosing? can't we have been brown-nosing? can't you have been brown-nosing? can't they have been brown-nosing?