Said must be

1. Gen. 29: 26
     26 And Laban said, It must not be so done in our country, to give the younger before the firstborn.
2. Judg. 21: 17
     17 And they said, There must be an inheritance for them that be escaped of Benjamin, that a tribe be not destroyed out of Israel.
3. Acts 15: 24
     24 Forasmuch as we have heard, that certain which went out from us have troubled you with words, subverting your souls, saying, Ye must be circumcised, and keep the law: to whom we gave no such commandment:
4. 1 Ne. 10: 13
     13 Wherefore, he said it must needs be that we should be led with one accord into the land of promise, unto the fulfilling of the word of the Lord, that we should be scattered upon all the face of the earth.
5. Alma 33: 1
     1 Now after Alma had spoken these words, they sent forth unto him desiring to know whether they should believe in one God, that they might obtain this fruit of which he had spoken, or how they should plant the seed, or the word of which he had spoken, which he said must be planted in their hearts; or in what manner they should begin to exercise their faith.