1.They translated the text by the time the ticher was coming.
2.I was writed the essay by 12 o'clock.
3.He writed the essay the day before yesterday.
4.I phoned her at seven o'clock last night.She has already write the essay.
5.I watched the football game on TV at 8 o'clock last night.
6.We played chess when the light was going out.
7.Natalie flied.her kite while her sister was riding her bicycle.
2. a, o, x
3. a red ball, a green tea, a black kitten, a black eyes, a little girl, a little mouse, a big house, a big human
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6 had done, wouldn't have shouted
7 would have passed,had studied
8 had closed, wouldn't have run
9 would have lost, hadn't picked
10 had saved,would have been able