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Main Entry: awhile Function: adverb Etymology:Middle English awhile, on while, from 1 a-, on + while : for a time <the father of these girls ... had settled awhile in Virginia -- Dixon Wecter> : for a brief period -- often used for a while as the object of a preposition...

I think this website can clear all the questions about "Be used to" Used to do | Be used to | Quiz Be used to Be used to something Be used to doing Be used to is an expression. It is not a tense. If I say "I am used to Thailand", it is...