Beginner Level Advanced Level
INTERMEDIATE LEVEL
Content
→ → →
5000FR: 
si ☊ 
if, whether
like: if, whether → →
ask if, whether, etc...: I'll ask if it's all right to park here. ☊ ask ☊
ask sb if, whether, etc...: She asked her boss whether she could have the day off. ☊ ask ☊
si ☊ aujourd’hui, notre économie va si mal ☊