Whoever, Whatever, Whichever, However, Whenever and wherever

1. These words mean "it doesn't matter who", "it doesn't matter what". etc


2. Whoever, Whatever, Whichever are also relative pronouns: they can be the subjects or objects of clause.

whoever etc	+clause	+clause
clause	whoever etc	+clause

• Whoever telephones, tell them I'm out/ I'm not opening the door, whoever you are


• Whatever you do, I'll always love you/ Keep calm, whatever happens


• "Which is my bed?" " You can have whichever you like"


• However much he eats, he never gets fat/ People always want more, however rich they are


• Whenever I go to London I visit the Nation Gallery/ You can come whenever you like


• Wherever you go, you'll find Coca-Cola/ The people were friendly wherever we went