The old man walked slowly around his house. It is an adjective and can be used in front of almost every noun.
In the old days, there were barracks.
The old blanket was frayed at the edges.
He helped the old man respectfully?
This old building is in a state of disrepair.
The old gypsy is an expert in palmistry.
You can use the word "refurbish" a the sentence like, "I can refurbish this old table in no time."
The rudder that was on the old plane was very rusty.
the monograph was really beautiful in old times
The man , who was 41 years old , had an excite !
the old museum devour(ed) in flames.
For the use of geochronology we know how old volcanos are.
Llama is a noun therefore you can use the word llama in any sentence. Eg. The old llama tried to venture back to it's home