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Thursday, May 14, 2026
Sign of the Day
must
The BSL sign for "must" conveys obligation or necessity. It uses a bent B-hand at the chest, moving sharply downwards
A2 Very Common Verb British Sign Language (BSL) Neutral
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Bent B-hand, palm faces forward, fingers curl towards palm
Single, sharp, decisive downward thrust
Expressing strong obligation, requirement, or command
Break It Down
Watch, build, and feel the movement
Use the numbered steps first, then check the sign anatomy cards to clean up the small details that make the sign look fluent instead of approximate.
How to form the sign
- Form a Bent B-hand, fingers curled towards palm.
- Place hand at mid-chest/sternum height, palm forward.
- Execute a sharp, decisive downward movement.
- Keep a firm or serious facial expression
Coach prompt
Practice the sharp downward movement with a firm facial expression
Signature details
Handshape
Bent B-hand, palm faces forward, fingers curl towards palm · Code B-bent
Dominant hand
Right
Symmetry
Asymmetric
Contact
Air
Palm orientation
Forward or slightly down
Eyebrows
Furrowed
Eye gaze
Forward
Head movement
None
Mouth morpheme
'mm' or 'pff' for emphasis, or none
Body shift
Slight forward lean for emphasis
Use It Today
Move from recognition to real-life use
Everything below is designed to make the sign sticky: where it feels natural, what learners miss, and how to use it without sounding robotic.
You must come to the meeting
Often accompanied by a serious facial expression for emphasis
Best fit: Expressing strong obligation, requirement, or command
Mirror focus
Practice the sharp downward movement with a firm facial expression
Catch the slip
Ensure the handshape is a bent B and the movement is decisive
Use it today
You must come to the meeting
Common mistakes: Insufficiently sharp movement, incorrect handshape, wrong location
When not to use it: For polite requests or weak suggestions
Regional note: Minor variations in hand position or movement sharpness exist
Cultural note: Directness in BSL often translates as politeness, not rudeness
1.[en] You must go. / BSL:YOU MUST GO
2.[en] I must study. / BSL:I MUST STUDY
3.[en] We must try. / BSL:WE MUST TRY
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Word web
Have to
ought to
need to
Don't have to
needn't
shouldn't
Obligation
requirement
necessary
essential
Obligation
Need
Should
Have-to
Important
MUST (Bent B-hand, sharp down, mid-chest): Expresses strong obligation. SHOULD (G-hand, palm in, move forward from chin): Suggests a recommendation, less forceful. HAVE-TO/NEED (Index finger points down, moves down from chest): Similar meaning to 'must' but can be less emphatic; key is handshape (index finger vs bent B)
Obligation
necessity
command
requirement
modal
BSL must
have to BSL
need BSL
obligation sign
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