This calorimeter is used to accurately measure the heat of a substance.

This sentence is written in the present tense.

He was arrested for a minor offense.

He is majoring in geomorphology at university.

I am majoring in computer science at university.

Recently, my neuralgia has been so bad that I can't concentrate on my work.

He lost his sense of smell due to damage to his olfactory nerve.

This orrery accurately reproduces the movements of the planets in the solar system.

He taught me how to tie a tie.

I recommend this book to you.