英语时态变化问题!

英语时态变化问题!

题目
英语时态变化问题!
he then filled a cup with some of the petrol some of the castor oil and some of the vinegar
变过去完成时,还有现在完成时,过去将来时,被动变主动和主动变被动 .
答案
过去完成时he had filled a cup with some of the petrol some of the castor oil and some of the vinegar
现在完成时 he has filled a cup with some of the petrol some of the castor oil and some of the vinegar
过去将来时he would fill a cup with some of the petrol some of the castor oil and some of the vinegar
主动变被动
a cup with some of the petrol some of the castor oil and some of the vinegar was filled by him
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