句子重音

A) 英语的节奏：（轻）-轻-重-轻-（轻）或重-轻-（轻）（轻）重

B) 英语句子的长短：是由句子中的重读词的数目决定的，而不是象汉语那样由句子中的汉字数目决定的。

C) 实词重读（副词重读），虚词轻读(冠词，单音节介词，单音节连词，人称代词，反代词，物主代词，关系代词，相互代词，助动词，情态动词和系动词be

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

E)虚词重读的特殊情况
a) 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. 
b) 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. 
c) 介词在句首和句尾。In the box, he found a letter. He is the person I talked with. 
d) 引导复合句的连词在句首。If you wish, I'll visit you. When he comes, I'll tell him. 
e)反身代词表示强调。He couldn't come himself.