We suppose

1. Alma 26: 1, 30
     1 And now, these are the words of Ammon to his brethren, which say thus: My brothers and my brethren, behold I say unto you, how great reason have we to rejoice; for could we have supposed when we started from the land of Zarahemla that God would have granted unto us such great blessings?
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     30 And we have suffered all manner of afflictions, and all this, that perhaps we might be the means of saving some soul; and we supposed that our joy would be full if perhaps we could be the means of saving some.
2. Alma 45: 19
     19 Behold, this we know, that he was a righteous man; and the saying went abroad in the church that he was taken up by the Spirit, or buried by the hand of the Lord, even as Moses. But behold, the scriptures saith the Lord took Moses unto himself; and we suppose that he has also received Alma in the spirit, unto himself; therefore, for this cause we know nothing concerning his death and burial.
3. Alma 56: 12, 23, 37
     12 And the Lamanites had also retained many prisoners, all of whom are chief captains, for none other have they spared alive. And we suppose that they are now at this time in the land of Nephi; it is so if they are not slain.
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     23 For we knew in those cities they were not sufficiently strong to meet them; therefore we were desirous, if they should pass by us, to fall upon them in their rear, and thus bring them up in the rear at the same time they were met in the front. We supposed that we could overpower them; but behold, we were disappointed in this our desire.
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     37 Yea, even to a considerable distance, insomuch that when they saw the army of Antipus pursuing them, with their might, they did not turn to the right nor to the left, but pursued their march in a straight course after us; and, as we suppose, it was their intent to slay us before Antipus should overtake them, and this that they might not be surrounded by our people.
4. Alma 57: 2
     2 But I sent an epistle unto the king, that we were sure our forces were sufficient to take the city of Antiparah by our force; and by delivering up the prisoners for that city we should suppose ourselves unwise, and that we would only deliver up our prisoners on exchange.
5. Alma 63: 8
     8 And it came to pass that they were never heard of more. And we suppose that they were drowned in the depths of the sea. And it came to pass that one other ship also did sail forth; and whither she did go we know not.