Do you know how to bend elements like air,water,fire,earth please i need help on this.?

well ive been searching alot and i know alot but i still need alot of help on how and if anyof you people who love to answer these things by saying its not possible dont waste your time or at least make something up please i really do think its possible to do this thank you.
Update: for those who think i mean bend like you bend a hot piece of metal with your hand no i mean like control or even manifest....... wow you people
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