• English Grammar Tenses
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  • Signs to recognize Present Simple?
    Every + thời gian, Trạng từ chỉ tần suất, once/ twice/three times + a day/ a month/ a year, In my free
  • Signs to recognize Present Continuous?
    Now, Right now, At the moment, At present, Câu cảm thán: Be Quiet!, Look!, Be careful!,...
  • Signs to recognize Present Perfect?
    just, recently, lately, already, before, ever, never; for + khoảng thời gian; since + mốc thời gian; yet, so far = until now = up to
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