1、Book 3 Unit 1 难句解析1. On the important feast day, people eat food in the shape of skulls and cakes with “bones” on them. (P2)此结构为“with + 宾语（bones）+ 补语（on them)”，on them是介词短语在with 复合结构中作补语。除此以外作补语的还有形容词、副词、现在分词、过去分词和不定式等。如：With the boy helping us, we had no difficulty finding the way out. 有了这个男孩的帮助，我们
2、毫不费力的找到了出路。With many things to deal with, I have to stay up late tonight. 有许多事情要处理，今晚，我只好熬夜了。【练习】 完成句子:1) Dont go out to play _ (作业没做完）.2) He went to sleep _ (开着灯). 2. It is now a childrens festival, when they can dress up and go to their neighbors home to ask for sweets. (P2)when是关系副词，代替先行词festival
3、在句中作时间状语，相当于during which。当先行词是表示时间的名词时，定语从句的引导词用when还是that / which主要看这个关系代词在从句中充当什么成分。若作宾语或表语，要用关系代词that或which；若作状语，则要用when。如：The earthquake happened in 1976 which Ill never forget. 这场地震发生在1976年，这一年我永远难忘。The earthquake happened in 1976 when I was only two years old. 这场地震发生在1976年，那时我才两岁。【练习】 用when, t
4、hat, which 填空：3) I often think of that summer _ we studied in Singapore. 4) Ill never forget the day _ we spent together. 3. The most energetic and important festivals are the ones that look forward to the end of winter and to the coming of spring. (P2)one为不定代词，用以代替前面提到的那一类人或物中的一个（可数名词）；若代指复数名词用ones
5、。而it用于指代上文提到的那个表示物的名词本身，既可以是单数可数名词，也可以是不可数名词。如：I dont have a dictionary but Im going to buy one. 我没有词典可是我准备去买一本。I have a tape-recorder. My uncle gave it to me. 我有一部录音机。它是我叔叔送给我的。【练习】 用it 或one 填空：5) The milk is so hot that I cant drink _ now. 6) A good writer is _ who can express the commonplace in a
6、n uncommon way. 4. There was Hu Jin waving at him and calling, “Why are you so late? Ive been waiting for you for a long time!”(P7)Have / has been doing. 是完成进行时，表示动作发生在过去一直延续到现在有可能刚刚结束，也有可能继续延续下去。如：He is ill. He has been in bed for three weeks. 他病了，已经卧床三个星期了。It has been raining for two days. The riv
7、er is overflowing now. 已经下了两天的雨，小河都涨水了。【练习】 完成句子：7) You are so late. We _ _ (我们一直在等你) for a whole hour.8) For years _ (我们一直梦想得到) better housing and jobs.参考答案1） with your homework unfinished2） with the light on 3） when 4） that / which 5） it 6）one 7） have been waiting for you 8） we have been dreaming of
