I can flatter you can flatter she can flatter we can flatter you can flatter they can flatter
V-ing form
I can be flattering you can be flattering she can be flattering we can be flattering you can be flattering they can be flattering
Perfect
I can have flattered you can have flattered she can have flattered we can have flattered you can have flattered they can have flattered
V-ing perfect
I can have been flattering you can have been flattering she can have been flattering we can have been flattering you can have been flattering they can have been flattering
Negation
Simple form
I can't flatter you can't flatter she can't flatter we can't flatter you can't flatter they can't flatter
V-ing form
I can't be flattering you can't be flattering she can't be flattering we can't be flattering you can't be flattering they can't be flattering
Perfect
I can't have flattered you can't have flattered she can't have flattered we can't have flattered you can't have flattered they can't have flattered
V-ing perfect
I can't have been flattering you can't have been flattering she can't have been flattering we can't have been flattering you can't have been flattering they can't have been flattering
Interrogative form
Simple form
can I flatter? can you flatter? can she flatter? can we flatter? can you flatter? can they flatter?
V-ing form
can I be flattering? can you be flattering? can she be flattering? can we be flattering? can you be flattering? can they be flattering?
Perfect
can I have flattered? can you have flattered? can she have flattered? can we have flattered? can you have flattered? can they have flattered?
V-ing perfect
can I have been flattering? can you have been flattering? can she have been flattering? can we have been flattering? can you have been flattering? can they have been flattering?
Interro-negative form
Simple form
can't I flatter? can't you flatter? can't she flatter? can't we flatter? can't you flatter? can't they flatter?
V-ing form
can't I be flattering? can't you be flattering? can't she be flattering? can't we be flattering? can't you be flattering? can't they be flattering?
Perfect
can't I have flattered? can't you have flattered? can't she have flattered? can't we have flattered? can't you have flattered? can't they have flattered?
V-ing perfect
can't I have been flattering? can't you have been flattering? can't she have been flattering? can't we have been flattering? can't you have been flattering? can't they have been flattering?