英语的改写句子,时态学的太多了,快被搞死了..Billy is writing a letter to his friends now.(用yesterday改写)到底是要改成过去进行时还是一般过去时啊QAQ[欲哭无泪的窝]过去进行时的结构是：主语+was/wer
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英语的改写句子,时态学的太多了,快被搞死了..Billy is writing a letter to his friends now.(用yesterday改写)到底是要改成过去进行时还是一般过去时啊QAQ[欲哭无泪的窝]过去进行时的结构是：主语+was/wer
英语的改写句子,时态学的太多了,快被搞死了..
Billy is writing a letter to his friends now.(用yesterday改写)
到底是要改成过去进行时还是一般过去时啊QAQ[欲哭无泪的窝]
过去进行时的结构是：主语+was/were+过去分词（~ing还是~ed窝forgot了..）
英语的改写句子,时态学的太多了,快被搞死了..Billy is writing a letter to his friends now.(用yesterday改写)到底是要改成过去进行时还是一般过去时啊QAQ[欲哭无泪的窝]过去进行时的结构是：主语+was/wer
只有个yesterday就是改成一般过去时,过去进行时应该是 the same time yesterday.
所以改为：Billy wrote a letter to his friend yesterday.
过去进行时是was/were + ing.
过去进行时结构是主语+was/were+doing
yesterday应该用一般过去时即 Billy wrote aletter to his friends yesterday.
过去进行时应该有更具体的小范围的时间点更合适 yesterday范围稍大用一般过去时更合适
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Bill wrote a letter to his friends yesterday.
表示过去的时间状语yesterday ， 改写成过去时就可以了。
过去时态构成： 主语+ 动词的过去式 其被动式 是 was/ were + 过去分词
过去进行时的构成 ： 主语 + was/ were + 现在分词 也就是 动词的ing 形式
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Bill wrote a letter to his friends yesterday.
表示过去的时间状语yesterday ， 改写成过去时就可以了。
过去时态构成： 主语+ 动词的过去式 其被动式 是 was/ were + 过去分词
过去进行时的构成 ： 主语 + was/ were + 现在分词 也就是 动词的ing 形式
其被动式是 was / were + being + 过去分词
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进行时是ing。一半过去时和过去进行时都可以改，意思不一样，前者指昨天写了信，后者指昨天正在写信时。bill wrote a letter to his friends yesterday.bill was writing a letter to
his friends yesterday