The Past Continuous Tense 去进行时 ; 过去进行时 ; 去进行时态 ; 学习过去进行时态
The Past continuous Tense I 学习过去进行时态
Future-in-the-past Continuous Tense 去将来进行时
The Past Perfect Continuous 过去完成进行时 ; 去完成进行时
The Past Future Continuous 过去将来进行时
The Past Future Perfect Continuous 过去将来完成进行时
the past future continuous tense 过去将来进行时
Complete the sentences with the past continuous tense.
用过去进行时完成句子。
The past continuous is often used to refer to a temporary situation.
过去进行时也常用以表示暂时的形势。
The scientists dug back into the historical record, well past 1997, the year continuous satellite measurements began.
科学家们研究了自开始持续的卫星测量的1997年以前的历史记录。
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