Affirmation, negation and imperative

1. Affirmation
         a) Without specific non-manual marking
         b) Affirmative headnod
         c) Affirmative signs
2. Negation
         a) Headshake
         b) Headshake and negative sign
                   b.1 Sentence negation
                   b.2 Signs incorporating negation
3. Imperative
         a) Basic form
         b) Alternative forms for command expression

In questions that presuppose an affirmative answer, commands and requests, this headnod movement can also be used. See the following examples:

    "At the Carnival party, must we all go in fancy dress?"
    "You're going to tidy all your toys right now."
    "Please, hang the coat properly."