Am i succeed vs Do i succeed

Some examples from the web:

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Some examples from the web:

• Why do I succeed at everything I audition for?
• And his happiness is a constant reminder of the price of my failure, of what will be lost if I don't succeed.
• But even if I don't succeed, for whatever reason, you'll know because nothing changes.
• Because you will inherit my failure if I don't succeed, and I wouldn't wish that on anyone.
• If I don't succeed, you may cut off my head.
• When I do succeed, I can throw it in his face, but for now,
• If we don't succeed, I'll make this right.
• You do realize that should I succeed, you won't remember any of this?
• If these negotiations do not succeed, I agree that it is likely that there will be an upsurge in cases brought to the WTO, especially concerning agriculture.
• If I don't succeed at school, they'll have to send me to the monastery at Fulda!
• You do remember the bit where if I don't succeed, you and lots of others die, right?
• ...Bart tries printer to... ...but I don't succeed.
• I do not succeed to get close to others, I keep everybody at a distance
• As I told you before, if you don't succeed I won't give you more money.
• Sir, if I do not succeed, how violent is the Sheliak reaction likely to be?
• I do not succeed to pin my veil, help me, please?
• Which means, if I don't succeed at everything, then what was the point?
• Usually, I succeed in cooking cakes.
• I won't say that I succeed every time.
• You know I succeed where others fail.