want to do sth;would like to do sth;wish to do sth;help to do sth;hope to do sth;learn to do sth;manage to do sth;offer to do sth;plan to do sth;afford to do sth;agree to do sth;arrange to do sth;ask to do sth;beg to do sth;care to do sth;choose to do sth;decide to do sth;demand to do sth;determine to do sth;expect to do sth;fear to do sth;prepare to do sth;pretend to do sth;promise to do sth;refuse to do sth,etc.
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