whether, let
Very common
Particle
Function:modal, optative
Clitic:No
Position:preverbal
Scope:clause
Polarity:neutral
Frames
ať + finite verb– let/may + verb
ať ... nebo– whether ... or
Examples
May things go well for you.
Let him come soon.
Whether you want to or not, we will go.
Whether the weather is nice or not, I am going.
Let him be home on time.