verb
1
BAD : My parents wanted that I should go to a different university.
GOOD : My parents wanted me to go to a different university.
BAD : 'Do you want I take you to his house?' she asked
GOOD : 'Do you want me to take you to his house?' she asked.
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want sb to do sth : 'The doctor wants me to go for another check-up in two weeks' time.'
2
DUBIOUS : I want you to send me the coat if you find it.
GOOD : I'd like you to send me the coat if you find it.
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For polite requests, use would like (NOT want ): 'If you're not too busy, I'd like you to have a look at my homework.'