《新概念英语自学导读第一册》是《新概念英语》系列的一套辅助教材。文章对《新概念英语》中的语法，词汇和长句难句都做了详细的剖析和阐述，从而更好的帮助同学们学习和吸收。下面就一起来学习下吧！
课文详注 Further notes on the text
1．look for，寻找（强调动作过程）；find，找到（强调寻找的结果）。
2．Tommy had already swallowed them! 汤米已经把硬币咽了下去！
句中用了过去完成时形式 had swallowed。过去完成时用来表示过去两个动作中发生在前的那个动作。显然，句中咽下硬币的动作发生在夫妇俩能够把硬币从汤米手中抢过来之前。
3．later that morning，那天上午的晚些时候。
later是副词late的比较级。
4．any change
change是个多义词，既有“零钱”的意思，也有“变化”的意思。此处既可指“硬币”；也可指“情况的变化”。这是双关（pun）修辞法。
语法 Grammar in use
过去进行时
构成： be的过去式+现在分词。
过去进行时表示过去某时正在进行的情况或动作。过去进行时和一般过去时经常在同一个句子里使用。过去进行时表示过去正在进行的情况或动作，一般过去时则表示比较短暂的动作或事件。过去进行时的时间状语从句一般由when，while及（just）as等来引导，说明主句中动作发生时的背景。此外，可用 while或 at the time等强调同时进行的两种或几种动作。请看例句：
词汇学习 Word study
1．swallow v.
（1）吞下，咽下：
（2）抑制，使不流露：
（3）吞并；侵吞：
2．ring v.
（1）鸣响；发出清脆的响声：
（2）打电话；按铃：
练习答案 Key to written exercises
Lesson 118
A
1 He knocked at the door when I was answering the phone.
2 He came downstairs when I was having breakfast.
3 The phone rang when I was washing the dishes.
4 The boss arrived when she was typing a letter.
5 The train left when I was buying the tickets.
6 It rained heavily when I was driving to London.
B
1 When he arrived I was cooking a meal.
2 When he arrived I was washing the dishes.
3 When he arrived I was working in the garden.
4 When he arrived I was typing letters.
5 When he arrived I was shaving.
6 When he arrived I was boiling the milk.
7 When he arrived I was phoning my sister.
8 When he arrived I was dusting the bedroom.
C
1 While I was cooking the dinner, he was having a wash.
2 While I was cooking the dinner ,he was watching television.
3 While I was cooking the dinner, he was cleaning his shoes.
4 While I was cooking the dinner, he was listening to the radio.
5 While I was cooking the dinner, he was changing his suit.
6 While I was cooking the dinner, he was sitting in the dining room.
7 While I was cooking the dinner, he was reading the paper.
8 While I was cooking the dinner, he was driving home from work.
