=__ __ ________ ____ these Chinese herbs do good to heart.
人们相信这些中草药对心脏有益。
is believed to be It is believed that are believed to do It is believed that 【记一记➡构建知识】 It be +过去分词+ that 从句=Sth. /Sb. be +过去分词+不定式 【拓展延伸】Sth. /Sb. be +过去分词+不定式
Sth. /Sb. be +过去分词+不定式的
其中不定式是由从句谓语动词转换来的, 从句谓语是一般时态, 转换成不定式的一般式; 从句谓语是进行式转换成不定式的进行式; 从句谓语是完成式, 转换成不定式的完成式。 一般式 进行式 完成式 *It is said that all sudden deaths are caused by damage to the heart.
=All sudden deaths are said to be caused by damage to the heart.
据说所有突发性死亡都是由心脏受损引起的。 *It is reported that the cause of lung cancer has been found.
=The cause of lung cancer is reported to have been found.
据报道肺癌的原因已经被找到。 9. When asked how a statue from distant Greece could have appeared in China, researchers explained that no doubt this was a result of Alexander the Great’s influence.
当被问及来自遥远希腊的塑像怎么会出现在中国时, 研究人员解释说, 这无疑是亚历山大大帝的影响所致。 【填一填➡激活思维】用适当的情态动词填空。 ①He _____ have gone to Shanghai for I saw him a minute ago.
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