5．It＋及物动词＋宾语＋主语从句

　　It surprised him why they came to visit him suddenly.

　　让他吃惊的是他们为什么突然都来看他。

　　[即时演练3]　

　　(1)补全句子

　　①It's_a_pity that you can't attend my birthday party.

　　很可惜你不能参加我的生日聚会。

　　②It's_suggested that the old man (should) go to the countryside to have a rest.

　　建议这位老人到乡村休息一下。

　　③It_seems_that you disagree with the plan.

　　你好像不赞成这个计划。

　　④It is doubtful whether_she_will_be_able_to_come_to_the_party.

　　她是否能来参加聚会还很难说。

　　⑤It_happened_that the harvest was bad that year.

　　碰巧那年收成不好。

　　(2)句型转换(每空一词)

　　①That he suddenly fell ill last month surprised us.

　　→It surprised us that he suddenly fell ill last month.

　　②Whether they will sell the house hasn't been yet decided.

　　→It hasn't been decided yet whether they will sell the house.

　　③That light travels in straight lines is known to us all.

　　→It is known to us all that light travels in straight lines.

　　四、主语从句中应注意的问题

　　1．从句要用陈述语序

　　What we will do next should be decided.

　　应该决定一下我们下一步该做什么。

　　2．主谓一致

　　(1)从句作主语时，主句的谓语一般用单数形式。

　　Where he will get a job after graduation has puzzled him much.

　　毕业后到哪儿找份工作使他很困惑。

　　[名师点津]　what引导主语从句时，有时主句谓语动词应与主句中作表语的名词保持一致。

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