present simple and present continous

---we (not to like ) onion when we (to smell) it but we ( to love ) when we ( to taste ) it
---That student (to walk) a very slowly because the bottle which he (To carry ) (to contain) nitroglygerice and nitroglycerince (to explode ) if it (to be ) shaken \

----- we usually ( to get up) at 6-30 but this week we ( to be ) on holidays and so we ( to get up ) later

----- It (not to metter ) how often i ( to fail ) but if I(persevere ) i will succeed sooner