U59 Tommy's Breakfast
一般过去时的意义
过去某个动作正在发生
过去完成时的意义
过去的过去。两个动作相比较，先发生的那一个用。
定语从句的意义
在定语的位置，用一句话来表达，用来修饰前面的名词。
定语从句中可以直接省略关系代词吗？
作宾语-可以；作主语-不可以。
过去进行时的3个标志词
when, while, just as, at that moment, 过去某个具体时间点
过去完成时的标志，4个
before, after, when, by +过去时间点
定语从句的关系代词有哪些？
who, whom, whose, which, that
He is the son. His mother is a scientist.
He is the son whose mother is a scientist.
翻译：我在看电视的时候，我妈在写作业。
翻译：我下楼的时候，我的狗已经吃过早饭了。
When I came downstairs, my dog had already had breakfast.
This is the book. I bought it yesterday.
This is the book which I bought yesterday.
That's the car. Its windows are broken.
That's the car whose windows are broken.
翻译：我到家的时候，我们的狗在吃晚饭。
When I arrived home, our dog was having dinner.
翻译：我做完作业后，看了电视。
After I had done my homework, I watched TV.
She is the woman. I met her at the party.
She is the woman whom I met at the party.
这些就是我昨天读的书。
These are the books which I read yesterday.
____ I was taking a bath, the telephone rang.
when, while
I turned off the light. I left the room. 合二为一
After I had turned off the light, I left the room.
他就是昨天帮了我的那个人。
He is the man who helped me yesterday.
他就是那个儿子要去北京上学的父亲。
He is the father whose son is going to Beijing to study.