When you want to ask if you are allowed to do something.
Can mean "I'm sorry" or many other meanings.
Say Doko desu ka (Where is...?) after saying the name of the place you want to go.
Use of the 3 expressions: "II DESU KA?""SUMIMASEN""DOKO DESU KA?"
When you want to ask someone to do something for you.
When you want to ask if something is OK.
"Very", "hello" or "thanks".
The Japanese language is full of onomatopoeia.