Question

He felt certain that his wings would never support him. (Identify the clause)

Answer 1

◆HEYA DEAR HERE IS UR ANSWER◆.
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◇INDEPENDENT OR MAIN CLAUSE-HE FELT CERTAIN

◆SUBORDINATE OR DEPENDENT CLAUSE--THAT HIS WINGS WOULD NEVER SUPPORT HIM

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HOPE IT IS CORRECT AND HELPS U

Answer 2

⛦Hᴇʀᴇ Is Yoᴜʀ Aɴsᴡᴇʀ⚑
▬▬▬▬▬▬▬▬▬▬▬▬☟

❖ Question is:-
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He felt certain that his wings would never support him.

▶So, Answer is:-
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[1] He felt certain.
➙ (Independent Clause)

[2] that his wings would never support him.
➙ (Dependent Clause)

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Thanks...✊