kak tolong kerjain plisss

1.they clean up the class everyday
2.they cleaned yesterday's class
3.mother always write a letter every mounth
4.mother write a letter last month
5.they sometimes stidy at home every night
6.they studied at home last night

1. They clean up the class every day
2. They cleaned up the class yesterday
3. Mother always writes a letter every month
4. Mother wrote a letter last month
5. They sometimes study in the house every night
6. They studied in the house last night