He likes to paint the walls.

His face was covered with mud.

On days when the solar radiation is strong, don't forget to apply sunscreen.

Our school's motto is 'Knowledge is power.'

I got sunburned because I played at the beach yesterday.

He got sunburned because he was playing on the beach for a long time.

Please give me that book.

Please clean the room.

Please do not press that button.

I forgot his birthday.