1. Lewis Carroll's book (singular possessive noun)
2. The knife's edge (singular possessive noun)
3. The book's cover (singular possessive noun)
4. Mayor Sanita's speech (singular possessive noun)
5. The flowers' aroma (plural possessive noun)
6. The children's bicycle (plural possessive noun)
7. The sirens' roar (plural possessive noun)
hope this helps
Hello.
Written language often requires a more fluent level of comunication, which can prevent people from expressing their attitudes and emotions.
Spoken language, however, allows the speakers to add their own touch to the conversation, like facial expressions and hand movements.
Hope I helped.
Hasta luego mi amigo.
Hasta luego mi amigo nos vemos otra vez.
Hasta luego mi amigo ojalá que los vemos otra vez.