Na een bevestigende zin
(+) is de aangeplakte vraag ontkennend
(-) He is weird, isn't he?
Na een ontkennende zin (-) is de aangeplakte vraag bevestigend (+)
She wasn't right, was she?
You are tired, aren't you? You aren't tired, are you?
She looks terrible, doesn't she? She doesn't look terrible, does she?