一般是“实词重读，虚词轻读”，有哪些特殊情况？

实词不重读的特殊情况
（1） 实词第二次出现
He thinks of that as a child thinks.
（2） 一个名词被第二个名词修饰
I met her in the railway station.
（3） 代替词
Which book do you want? The small one.
（4） 感叹词中的 what 和how
What a good day it is!
How beautiful she is!
（5） street 在专有名词中 Wangfujing Street.
（6）this在这些短语中，this morning/afternoon/evening

虚词重读的特殊情况
（1）情态动词，助动词和系动词be在句首，句尾和否定时。
Do you like it? Yes, I do.
Are you a doctor? Yes, I am.
Can you help me? Yes, I can.
I don't like you.
He isn't a worker.
（2）情态动词表示可能，惊奇和肯定时。
They may come this evening.
Can it be five already?
He must be in the room.
（3）介词在句首和句尾。
In the box, he found a letter.
He is the person I talked with.
（4）引导复合句的连词在句首。
If you wish, I'll visit you.
（5）反身代词表示强调。
He couldn't come himself.