It is a good idea to be prepared with knowledge of some common types of humor. __________________________________________________________________________ 解析:1)此句中it作形式主语,真正的主语是后面的不定式短语。 ①It is great to see the sun rise slowly in the east. __________________________________________________。 2)it作形式主语的常见句型: (1)It+be+n.+to do/that -clause 常用的名词有a pity, an honor, a shame, one's duty, a wonder等。 应用: ②______ ______ ______ ______that you can't stay with us. 真遗憾你不能和我们待在一起。 (2)It+be+adj.+to do/that- clause 常用的形容词有possible, necessary, important, dear, strange, natural等。 应用: ③______ ______ ______ ______we can finish the project on time. 有可能我们能按时完成那项工程。 (3)It+be+adj.(n.)+doing [来源:学科网] 常用于此句型的名词和形容词有no good, no use, useless等。 ④It's a waste of time doing such useless things. ___________________________________________。 (4)It+be+过去分词+that -clause 常用于本句型的过去分词有said, announced, believed, reported, known, hoped等。 应用: ⑤______ ______ ______ ______a heavy snowstorm hit that area last week. 据报道,上周那个地区遭到了暴风雪的袭击。 |
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