1. They did not know where to go. 他们不知道去哪儿。

　　此句型是“特殊疑问词 + 动词不定式”结构在句中作动词的宾语。例如:He asked me what to do next. 他问我下面干什么。Do you know when to start off tomorrow? 你知道明天什么时候出发吗?

　　2. I thought somebody could hear me but no one came for a very long time. 我原以为有人能听到我的求救声,但好长时间都没有人来。

　　句中的hear是无意识地“听见”,指人听到的结果。例如:I heard nothing just now. 刚才我什么也没听到。而hear sb.指“听到某人的声音”,hear of sb.指“听说过某人”。 例如:Have you heard of him? 你听说过他吗?hear from sb.是“收到某人的来信”的意思。例如:I have heard from you. 我已经收到你的来信了。listen指有意识地听, 强调听的动作。例如:She is listening to the music in her room now. 她正在她的房间里听音乐。

　　3. Timmy had nothing to eat when he was trapped under the bricks and stones. 当蒂米在砖块和石头底下被困住时,他已经没什么吃的了。

　　这里的动词不定式to eat在句中作宾语补足语。 例如:I’ll have a lot of homework to do today. 今天我将有好多家庭作业要做。

　　这里的was trapped是被动语态结构,其结构为“be + 动词的过去分词”。例如: English is spoken by many people in the world. 世界上许多人讲英语。

　　(文/仲俊；英语辅导报牛津八年级版2004-2005学年第16期；版权归英语辅导报社所有独家网络合作伙伴新浪教育，未经许可，不得以任何形式进行转载。)