This mushroom is poisonous, so you must not eat it.

Be careful, as there are venomous snakes lurking in the forest.

There are many poisonous insects in this forest, so please be careful.

I want to learn the technique of speedreading.

He finished reading the book by speedreading.

I practice reading aloud every day.

He likes to read books aloud.

He reads the book he loves to read every night.

It's his habit to read his favorite book every night.

The garden is overgrown and visibility is poor.