peter打算在母亲节给妈妈买一些花

Peter want to buy some flowers for his mother on Mother’s Day .

Peter decided/planned/determined to buy some flowers for his mother on Monther's Day

Peter plan to buy some flowers for his on
Mother's Day

Peter decided to buy some flowers for his mother on Mother's Day.
二楼的flower后没加S哦~

是Peter is going to buy some flowers for his mum on Mother's Day.