of

/ˈɒv/

/ˈəv/

used when stating one's opinion about someone or something

belonging to someone or something; relating to someone or something

used to indicate origin or derivation

used to express an specific amount, age, value, etc.

Examples

1. The female nurse took care of the patients with kindness and empathy.

2. What's your shirt made of?

3. The brochure speaks of beautiful secluded grounds.

4. Ha, yeah right, and the moon is made of cheese.