contoh percakapan (menyatakan tentang keharusan melakukan sesuatu tindakan) dalam bhs inggris yah...

Boni: Hey, what are you doing there?
Adi: I just throw my rubbish there
Boni: Adi, you must put your rubbish and throw it into a trashcan!
Adi: Ok, Boni. I'll do it.

semoga membantu :D

there are a teacher enter the class room
A: Hey, C!!! you should singing now, you was made promise,, hahaha (laugh loudly)
B: hey!! be polite to our teacher!!