3.Определить время глагола: 1) Have you ever made a mistake...? 2) that turned out ... 3) things were a result 4) A. Fleming had been experimenting... 5) he was doing
1) Present perfect 2) Past simple 3) Past simple 4) Present perfect continuous 5)Past continuous
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3.Определить время глагола: 1) Have you ever made a mistake...? 2) that turned out ... 3) things were a result 4) A. Fleming had been experimenting... 5) he was doing
2) Past simple
3) Past simple
4) Present perfect continuous
5)Past continuous