5предложении 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)!