the bunsen burner is so named because it is thought----by ro

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the bunsen burner is so named because it is thought----by robert bunsen,who was german by birth
having been invented to have been invented 为什么用不定式形式?不定式不是表示一次性或目的吗?

句式：sb/sth be thought to do sth/be done
to have been invented表示过去已经完成的动作
having been invented表示伴随的状态,与拘役不符.

the bunsen burner is so named because it is thought----by ro 改错The Bunsen burner is so named because it is thought to be 过去分词作宾补的The Bunsen burner is so named because it is thought 3.The Bunsen Burner is so named because it is thought ______ The star is to be named after Patrick Jenks,by whom it was d 英语翻译it is believed by party leader that the middle-of-the-ro because the art is fun,so i like it改错 Because it is you, so have the courage什么意思 It is great because it is run by the students for the school 英语翻译it was thought that it is not so much that the primary n You have thought so much about poverty--it is the thing you Because there is no person named Hemu