Recently, the number of tourists has been rapidly decreasing.

The stock price is decreasing rapidly.

The price of crude oil is rising.

Nouns form the main part of the sentence.

I turned off the power of the laptop.

My collection of string instruments is large.

He likes to read the original book.

This pathogen is very dangerous to humans.

They have a lovers' quarrel almost every day.

He always quotes proverbs to teach us life lessons.