He was complaining of a sore pharynx.

Health is very important.

His opinion is very important.

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 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.

He is doing a special exercise to strengthen his inferior rectus muscle.