dialog tentang obligation and suggestion

- the students must do the exercise themselves
- winda must walk fast to catch the bus; otherwise she will miss it
- we must check if we have locked the door and gate before leaving.
dan
- we should park our bicycles in availabe places
- we should board and alight from a bus at a bus stop
obblegations= subject+must+verb base
suggestions= subject+should+verb base.
semoga membantu