I'll try, but I don't know for sure whether I'll be able to go to the cinema tomorrow or not.
- Spróbuję, ale nie wiem na pewno, czy będę mógł iść jutro do kina, czy nie.
Sherlock Holmes would have certainly been proud of you.
- Sherlock Holmes na pewno byłby z ciebie dumny.
Tom will almost certainly be at the party tonight.
- Tom prawie na pewno będzie dziś na imprezie.
I can't remember what Timothy looks like, but I'm sure I'll know him by sight.
- Nie pamiętam, jak wygląda Timothy, ale na pewno znam go z widzenia.
I'm not sure yet, but I think I'll become a teacher.
- Nie wiem na pewno, ale myślę o zostaniu nauczycielem.