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Search Phrases - Yandex

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Position	Phrase	Page	Snippet
9	has been using	/2016/04/grammar-had...	grammar - had been using vs has been using My friend had been using a software for five years. or both are incorrect? - April 10, 2016.
11	i was thinking i thought	/2016/04/tense-diffe...	tense - Difference between ( was thinking / thought / have...) B: ... think think think think think think think —Sorry, what did you say? ... Imperfective aspect is expressed using a progressive construction