Question

观察下面的句子，注意画线部分，归纳出句型结构。

1．I was meant to be a teacher．

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2．His father was born on October 1st, 1949, when the People's Republic of China was founded．

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3．The bus broke down, so that we didn't arrive on time．

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4．It's obvious that he knows the secret．

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5．I am waiting for my mother to come back．

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Answer 1

答案：
解析：

1．be meant to do…“意在干某事”可用于被动结构。 　　2．when引导非限定性定语从句。 　　3．so that引导结果状语从句，表“如此……以至于”。 　　4．It is/was＋adj．＋that… 　　5．wait for sb．to do…“等待某人做某事”。