If we add -ever to whwords like what, which, when, where and who, we change their meaning to :
“it doesn’t matter”, or “no matter” what, which, when, where and who …

Whatever, whenever, wherever, whichever, whoever are used as follows :

  • Whatever = anything or everything; regardless of what, no matter what

    – Whatever you do, don’t forget your grandmother’s birthday.
    – Take whatever you want from the fridge of you’re hungry.
    – Put that thing away whatever it is!
    – She won’t listen to you whatever you say.

  • Whenever = every time; at any time; regardless of when, not matter when

    – You can borrow my dictionary whenever you like.
     Whenever we plan a picnic it rains!
    – He interrupts me whenever I start to speak.
    – Whenever I open this cupboard something falls out!

  • Wherever = everywhere; regardless of where, no matter where

     Wherever you go you’ll always find someone who speaks English.
    – She’ll be happy wherever she decides to live.
    – We’ll go on holiday wherever you want to go – you choose!
    – My grandfather accompanies my grandmother wherever she goes.

  • Whichever = the person or thing which; regardless of which, no matter which

    – Wear whichever shoes are the most comfortable.
    – Take whichever one you want.
    – Choose whichever earrings you like – it’s your birthday!
    – Take any book you like – whichever one interests you.

  • Whoever = the person who; regardless of who, no matter who

    – Whoever comes with you is welcome.
     Whoever opened the gate didn’t close it.
    – I don’t want to talk to you, – whoever you are!
    – I’m so annoyed with whoever borrowed the dictionary and didn’t put it back!