Strong's #1487: ei (pronounced i)
a primary particle of conditionality; if, whether, that, etc.:--forasmuch as, if, that, (al-)though, whether. Often used in connection or composition with other particles, especially as in 1489, 1490, 1499, 1508, 1509, 1512, 1513, 1536, 1537. See also 1437.
Thayer's Greek Lexicon:
̓
ei
1) if, whether
Part of Speech: conjunction
Relation: a primary particle of conditionality
Usage:
This word is used 321 times:
Mark 14:35: "and prayed that, if it were possible, the hour"
Mark 15:36: "gave him to drink, saying, Let alone; let us see whether Elijah will come"
Mark 15:44: "And Pilate marveled if he were already dead: and calling"
Mark 15:44: "unto him the centurion, he asked him whether he had been any while dead."
Luke 4:3: "devil said unto him, If thou be the Son of God, command"
Luke 4:9: "and said unto him, If thou be the Son of God, cast"
Luke 6:7: "Pharisees watched him, whether he would heal on the sabbath day;"
Luke 6:32: "For if ye love them which love you, what thank have"
Luke 7:39: "himself, saying, This man, if he were a prophet, would have known"
Luke 9:23: "he said to them all, If any man will come after"
Luke 10:13: "unto thee, Bethsaida! for if the mighty works had been done in"
Luke 11:11: "him a stone? or if he ask a fish, will he for a fish"
Luke 11:13: " If ye then, being evil, know how to give good"
Luke 11:18: " If Satan also be divided against himself, how"
Luke 11:19: "And if I by Beelzebub cast out devils, by"
Luke 11:20: "But if I with the finger of God cast out devils, no doubt"
Luke 11:36: " If thy whole body therefore be full of light, having no"
Luke 12:26: " If ye then be not able to do that thing which is least, why take ye thought for"
Luke 12:28: " If then God so clothe the grass, which is"
Luke 12:39: "this know, that if the goodman of the house had known what"
Luke 12:49: "and what will I, if it be already kindled?"
Luke 13:23: "one unto him, Lord, are there few that be saved? And he"
Luke 14:3: "lawyers and Pharisees, saying, Is it lawful to heal on the"
Luke 14:28: "first, and counteth the cost, whether he have sufficient to finish"
Luke 14:31: "king, sitteth not down first, and consulteth whether he be"
Luke 16:11: " If therefore ye have not been faithful in the unrighteous"
Luke 16:12: "And if ye have not been faithful in that which is another man's, who"
Luke 17:2: "It were better for him that a millstone were hanged about his"
Luke 17:6: "the Lord said, If ye had faith as a grain"
Luke 19:8: "to the poor; and if I have taken any thing from any man by false accusation, I restore"
Luke 19:42: "Saying, If thou hadst known, even thou, at least in"
Luke 22:42: "Saying, Father, if thou be willing, remove this cup from"
Luke 22:49: "they said unto him, Lord, shall we smite with the sword?"
Luke 23:6: "heard of Galilee, he asked whether the man were a Galilaean."
Luke 23:31: "For if they do these things in a green tree, what"
Luke 23:35: "others; let him save himself, if he be Christ, the"
Luke 23:37: "And saying, If thou be the king of the"
Luke 23:39: "railed on him, saying, If thou be Christ, save"
John 1:25: "Why baptizest thou then, if thou be not that Christ,"
John 3:12: " If I have told you earthly things, and ye believe not, how"
John 4:10: "and said unto her, If thou knewest the gift of God,"
John 5:46: "For had ye believed Moses, ye would have believed me: for"
John 5:47: "But if ye believe not his writings, how shall ye believe"
John 7:4: "himself seeketh to be known openly. If thou do these things, show"
John 7:23: " If a man on the sabbath day receive circumcision, that the"
John 8:19: "nor my Father: if ye had known me, ye should have known"
John 8:39: "Jesus saith unto them, If ye were Abraham's children, ye would do"
John 8:42: "Jesus said unto them, If God were your Father,"
John 8:46: "of sin? And if I say the truth, why do ye"
John 9:25: "and said, Whether he be a sinner or no, I know not:"