Health is very important.

His opinion is very important.

He was complaining of a sore pharynx.

This sweater may shrink if you wash it.

This sweater may shrink if you wash it.

I strained a muscle at the gym yesterday.

He received the letter challenging him to a duel and began preparing for the duel.

He has a habit of jumping to conclusions, so he often makes decisions before checking the facts.

He started a special exercise to train his infraspinatus muscle.

He is doing a special exercise to train his inferior oblique muscle.