However hard you may try, you cannot master a language in a month.
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However hard you may learn English, you cannot speak English in a month.
Whenever you may come home, you will be welcomed.
Wherever you may go, you will be loved by everyone.
He goes with his wife wherever he goes.
Whenever I come home, I feel at ease.
Whenever the window was opened, the breezes brought us the sweet scent of the flowers.