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'must be' in a sentence

Learn how to use 'must be' with 20 example sentences.


  • Many factors must be considered.
  • You must be very proud of your daughter.
  • There must be a pattern.
  • I'll do what must be done.
  • There must be some way to cross the river.
  • All participants must be registered.
  • You must be the new teacher.
  • They must be very poor.
  • There must be a scientific explanation for this.
  • You must be careful in choosing your friends.
  • Wow! You must be a genius.
  • Doing that every morning must be boring for you.
  • She must be angry with me.
  • You must be very hungry now.
  • This forest must be protected.
  • She must be his girlfriend.
  • You must be careful not to make him angry.
  • It must be here somewhere.
  • It must be a very expensive restaurant!
  • A good teacher must be patient with his students.
  • Words near 'must be' in the dictionary