Необходимо написать 12 предложений для каждого из времен.

Present Simple
I often walk in the park. - Я нередко гуляю  в парке.

Past Simple
Yesterday she wrote a letter. - Вчера она написала письмо.

Future Simple
I will read it next week. - Я прочитаю это на последующей неделе.

Present Continuous
Alex is playing football. - Алекс играет в футбол.

Past Continuous
I was watching the TV, when she came. - Я глядел телек, когда она пришла.

Future Continuous
Tomorrow in the morning, we will be swimming. - Завтра с утра мы будем плавать.

Present Perfect
I have graduated from the school. - Я закончил школу.

Past Perfect
Soon I met him again, he had already passed the exam.

Future Perfect
He will have buy the book by 5 oclock tomorrow. - Завтра к 5 часам он купит книжку.

Present Perfect Continuous
She has been dancing for 6 hours. - Она пляшет теснее 6 часов.

Past Perfect Continuous
She had been reading the book for 3 hours, before her friend came to her. - Она читала книжку 3 часа, до того как ее друг пришел к ней.

Future Perfect Continuous
She will have been watching the film for 4 hours, when her mother come. - Когда ее мать придет, она будет смотреть кинофильм уже 4 часа.