Passive Modals
When we focus on the action or the object (not WHO did it), we use the passive voice with modals.
The Formula
Obligation & Advice
Possibility & Ability
Past Modal Passive
Don't forget the verb "to be"!
Always use the Past Participle (V3)!
Modals in Passive 🎬
Watch Teacher Sopheak explain how to use modals in the passive voice. Listen closely and practice along!
Knowledge Check ⚡
Mission 🎯
Mission 🎯
Mission 🎯
Ask a Question 🙋♂️
Recent Questions
Good question, Sila! They are very similar. "Must be done" is often used for formal rules or strong personal opinions (e.g., The form must be signed). "Has to be done" is a bit more common in everyday speaking. Both are correct! 🌟
Why do we use passive voice here? Why not just say "Someone must finish the work"?
Hi Vannak! We use the passive voice because the *person* doing the work isn't important, or we don't know who it is. The important part is that the *work* gets finished! It sounds much more professional and direct. 🎯
Teacher, what is the difference between "must be done" and "has to be done"?