5 предложении на present continuous for future arrangements

1) l am visiting my grandmother next week. 2) she is giving me her bike next month . 3)we are takeing part at this competition this summer. 4)my friend is writing that test in two days. 5) l am doing our breacfast yestarday . Вроде бы так,но у меня могут быть грамматические очибки кое-где(в написании слов)!