How to sign What?: BSL Sign of the Day 85. The topic for this week is "Questions". We'll show you the signs for wh- questions along with multiple examples. Learn how to sign What? in BSL. When using question signs in BSL, focus on your non-manual features including facial expressions. Lower your eyebrows, tilt your head and purse your lips. Make it clear you want a reply as this acts a useful indicator for turn-taking in conversations. The example sentences in English are: 'What's your name?', '