Words similar to must

Example sentences for: must

How can you use “must” in a sentence? Here are some example sentences to help you improve your vocabulary:

Those who became the Shia held that any leader of the Ummah must be a direct descendant of the Prophet; those who became the Sunni argued that lineal descent was not required if the candidate met other standards of faith and knowledge.
In contrast, the dissociation of viral particles from the solid surface must occur for adenoviral vectors, which are initially immobilized on streptavidin-coated wells, to be taken up by target cells.
On the other hand, there are responsibilities such as IT planning and oversight that must remain in-house.
The story reminds that it's not just Bill Clinton who can't give a simple answer to a simple question--it quotes a Phillip Morris spokeswoman's response: "Since we must comply with local laws and regulations in every country in which we do business, we expect that there has been no improper conduct in the countries that you have referenced."
This is reflected in the monitoring and reporting requirements, which provide that units sharing a common stack do not need to be separately monitored and must collect sufficient information to determine compliance.