please (do for me)
Verb て form +
Used to politely request or ask someone to perform an action.
Verb て form
Attach
ここで待って
Please wait here.
この本を読んで
Please read this book.
When used as an auxiliary verb following another verb to mean 'please do something',
Verb ない form + で
Used to politely request or ask someone not to perform an action.
Verb ない form
Attach で
行かないで
Please do not go.
それを忘れないで
Please do not forget that.
Be careful to always include the particle で after the ない form. Saying ない