what should i do vs I want to

Some examples from the web:

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Some examples from the web:

• I want to legitimize the competition.
• I want to restore the Universal Church.
• Mr President, first I want to congratulate Mrs Rothe on her report.
• I want to... I want to change my answer.
• I want to congratulate the British presidency.
• But now I want to be fearless.
• In 1987, U2 sang, I want to run, I want to hide, I want to tear down the walls, that hold me inside.
• Share me, hear me: I want to be used I want to be used I want to be used up.
• I want to feel it, I want to feel the speed, I want to feel the temperature.
• "Yes, Lord, I want to do Your Will. I love you, I want to be yours, I want to give you my life...".
• And I want to... I want to smell dark matter.
• I want to have fun. I want to be happy.
• But perhaps, for me as a chemist, I want to keep away from general terms; I want to think about specifics.
• I want to study music, I want to write music.
• But in this one instance, I want to win more than anything else because I want to deny you and Jeremy the chance of watching it.
• I want to be an educator and I want to ask your advice.
• I guess I go because I want to... I want to feel something.
• I love Ricky, and I want to spend the rest of my life with him, but there are still other things that I want to do.
• I want to... I want to write to my girl.
• Tasks are symbolic - I want to drink, I want to dance - but the movement system has to contract 600 muscles in a particular sequence.