WHATEVER - WHENEVER - WHEREVER - WHICHEVER - WHOEVER

Whatever, whenever, wherever, whichever, whoever

If we add -ever to wh-words 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.
  - What do you want to do this evening? I don't mind - whatever you like.
  - Take whatever you want from the fridge if you're hungry.
  - Put that thing away whatever it is!
  - She won't listen to you whatever you say.
  
  Whatsoever, an emphatic form of ‘whatever’, is mostly used in negative sentences.
  - She makes no effort whatsoever!
  - I had nothing whatsoever to do with the table arrangements!
  
  
• 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!
  - I'm willing to babysit for you whenever you want to go out.
  - 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.
  - Photographers turn up wherever the actress goes.
  - 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.
  - The jacket comes in three colours. Pick whichever you prefer.
  - Take whichever of the bicycles 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.
  - The customer asked to speak to whoever was in charge of sales.
  - 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!