Examples of using Don't know if i can in English and their translations into Swedish
{-}
- 
                        Colloquial
                    
 - 
                        Official
                    
 - 
                        Medicine
                    
 - 
                        Ecclesiastic
                    
 - 
                        Ecclesiastic
                    
 - 
                        Official/political
                    
 - 
                        Computer
                    
 - 
                        Programming
                    
 - 
                        Political
                    
 
Stays like that I  don't know if I can keep it up.
Well, I  don't know if I can.