Present Simple:

She reads a book every day.They play football on weekends.He goes to school at 8 o'clock in the morning.I clean my room once a week.The students write essays in English class.

Past Simple:

She read a book last summer.They played football yesterday.He went to school when he was a child.I cleaned my room yesterday.The students wrote essays last week.

Present Continuous:

She is reading a book now.They are playing football at 3 o'clock.He is going to school by bus.I am cleaning my room at the moment.The students are writing essays for their final exams.

Past Continuous:

She was reading a book when I called her.They were playing football when it started raining.He was going to school when he saw a friend.I was cleaning my room when the phone rang.The students were writing essays when the teacher entered the class.

Future Simple:

She will read a book tomorrow.They will play football next weekend.He will go to school by car in the future.I will clean my room later.The students will write essays next month.