1
Please be quiet in the library.
Sign 'please,' then perform the sign for 'quiet' by starting with the 'shh' gesture and moving your flat hands apart and down to show the noise settling. Finish by signing 'library.'
2
The baby is sleeping, so keep quiet.
First, sign 'baby' and 'sleep.' Then, emphasize the need for silence by signing 'quiet,' making sure the downward motion of your crossed hands is smooth and gentle to match the context.
3
I enjoy a quiet morning.
Sign 'I,' 'enjoy,' and 'morning,' followed by 'quiet.' For this context, the sign conveys peacefulness, so the downward sweeping motion of your 'B' hands can be relaxed and expansive.