difference between why and what for

[Linama]

difference between why and what for
hi...i would like to know from and english teacher the differences betweeen;

why and what for
to hav and have got
to have to and have got to
close and shut

[Mister Micawber]

No significant differences. Occasionally one or the other only will appear in an idiom ('I'll give you what for!'), in certain collocations, or in regional use.
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Native English teacher at Mister Micawber's