Directions:underline the verb or phrases in each sentence and write the correct tense of the verb on the blank.
1.By lunch time, Rudy had started cooking dinner.
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2.The baby has been crying for twenty minutes.
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3.the youth was failing to see the importantce of recycling.
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4.jon had been painting the walls and the fence.
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5.students all over the world are using paper.
.
Pa help plz​