Students listen to music loudly.

Mr. Garcia listens to mariachi music.

(éste verbo, por lo general, tiene la preposición "to" como complemento)

Mr. Calderon speaks Spanish well.

Teachers speak Spanish fast.

Men think about games.

Women think about love.

A politician thinks about power.

A secretary writes letters to companies.

Children write notes at school.

A man asks the time.

People ask questions.

Friends talk in the classroom.

A doctor talks in a hospital.