Unit 7 重点句子解析
1. I tried calling you, but your phone was out of service.
句式try doing sth. 意为“尝试做某事”，类似句式 try to do something 则表示“尽力做某事”。如：
She tried speaking Chinese, but she couldn’t speak well. 她尝试着说汉语，但是她说不好。
We will try to finish the work on time. 我们将尽力按时完成工作。
2. You knew how important the game was to me!
句中的how important the game was to me是用感叹句作宾语从句；句中的短语be important to表示“对……重要”。如：
Do you know how important this lesson is to us! 你知道这节课对我们来说多么重要！
5. To prepare for the flood, Noah made a large ship of wood.
句中的to prepare for the flood 是动词不定式短语用在句首作状语，表示目的，它也可用在动词后；短语 prepare for则表示“为……做准备”，与get ready for同义。如：
Lisa is leading a happy life now. 丽萨正过着幸福的生活。
