GOD'S WORD® Translation
The evil spirit screamed, shook the child violently, and came out. The boy looked as if he were dead, and everyone said, "He's dead!"

American Standard Version
And having cried out, and torn him much, he came out: and the boy became as one dead; insomuch that the more part said, He is dead.

Berean Study Bible
After shrieking and convulsing him violently, the spirit came out. The boy became like a corpse, so that many said, “He is dead.”

Douay-Rheims Bible
And crying out, and greatly tearing him, he went out of him, and he became as dead, so that many said: He is dead.

English Revised Version
And having cried out, and torn him much, he came out: and the child became as one dead; insomuch that the more part said, He is dead.

King James Bible
And the spirit cried, and rent him sore, and came out of him: and he was as one dead; insomuch that many said, He is dead.

World English Bible
Having cried out, and convulsed greatly, it came out of him. The boy became like one dead; so much that most of them said, "He is dead."

Young's Literal Translation
and having cried, and rent him much, it came forth, and he became as dead, so that many said that he was dead,

Mark 9:26 Additional Translations ...