Question

观察下列句子，试着归纳其画线部分所包含的句型结构。

1．And they are easy to learn．

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2．Have some low-risk conversation openers ready．

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3．It is estimated that 80％ of all conversation in English is small talk．

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Answer 1

答案：
解析：

1．be easy to do 　　2．have＋宾语＋宾补 　　3．It is＋过去分词＋that．