25 , если ! надо написать предложения со словами celebrate и buy во временах past simple , past contnuous, past perfect present simple,present continuous, present perfect future simple , future continuous,future perfect , умаляю)

I bought some furniture yesterday.They celebrated Christmas last year.Past Simple 
He was buying some food from 3 till 4 yesterday. We were celebrating my birthday the whole day yesterday.Past Continuous
He had bought some new furniture by 3 o'clock.He hadn't celebrated Halloween  by the evening. Past Perfect. 
We buy milk every day. They celebrate Mother's Day every spring.Present Simple
I am buying bananas right now. What are you celebrating at the moment? Present Continuous
I have just bought a new hat. He has never celebrated it. Present Perfect
He will buy an apartment next year. I will celebrate New Year next winter.Future Simple 
He will be buying a bike at this time next week. We will be celebrating Thanksgiving Day this time next autumn.Future Continuous
You will have bought a new book. He will have celebrated it.Future Perfect