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最佳答案：travelled
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最佳答案：travelled lived made visited
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最佳答案：have been to 是曾进去过某地方,但已经回到说话现场have gone to 是在去某地的旅途中或去了某地还没回来.例：I have been to
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最佳答案：travelling . 并不是前一个动词用过去式 后一个动词就必须用过去式,这要根据句子意思来决定. 此外.一个句子中,主句或从句中不能出现两个动词连用的情况
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最佳答案：watch ,watched,watchedam was,beencry,cried,criedtravel ,travelled,travelledplan,
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最佳答案：try-tried-triedwrite-wrote-writtenedter-entered-enteredwatch-watched-watchedvisi
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最佳答案：play-played work-worked study-studied visit-visited go-went buy-bought see-saw m