English concept with smartphone

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Chapter 1
  To Be  
Present Past Future
am – are – is was – were will be
Instructions Section
Follow these steps: Step 1: Repeat what you hear again and again. Step 2: Click Mode 1 or Mode 2. Step 3: Click the tense of the sentence — Present, Past, or Future. Step 4: Click NEXT to go to the next question.
Mode 1 and 2 - PPF - To Be - Identifying
Mode 1 and 2 - PPF - To Be - Identifying