Please = kudasai ください Please = kudasai Please do it = (word goes here) +kudasaimasu Please don't do it = (word goes here) +kudasaimasen

it depends on how the context is .. onegai お願い = please T_T ( forgive me , help me ) kudasai ください = please ( wait please , look please ) douzo　どうぞ = pleased ( enter your room pleased ) by all means sumimasen すみません = please ( please show me the way , please sir , sorry ) this is all i know from watching anime :D

kudasai 下さい　ください

You can say "お願いします" or "よろしくお願いします", also "ください".