http://www.pons.de/produkte/3-12-517841-X/(牛津大学出版社授权产品)
 
  
 I. tread <pt trod, past part trodden or trod> [美 trɛd, 英 trɛd] 动词 不及物动词
1. tread (step):
2. tread (handle situation):
3. tread (go):
II. tread <pt trod, past part trodden or trod> [美 trɛd, 英 trɛd] 动词 trans
1. tread (crush):
2. tread (make):
III. tread [美 trɛd, 英 trɛd] 名词
1. tread C or U:
2. tread C or U (molding):
在《PONS词典》中的词汇
 
  
 I. tread [tred] trod Am: treaded, trodden Am: trod 动词 不及物动词
II. tread [tred] trod Am: treaded, trodden Am: trod 动词 trans
 
  
 -  
-  treading
-  
-  treading
 
  
 | I | tread | 
|---|---|
| you | tread | 
| he/she/it | treads | 
| we | tread | 
| you | tread | 
| they | tread | 
| I | trod / 美 也 treaded | 
|---|---|
| you | trod / 美 也 treaded | 
| he/she/it | trod / 美 也 treaded | 
| we | trod / 美 也 treaded | 
| you | trod / 美 也 treaded | 
| they | trod / 美 也 treaded | 
| I | have | trodden / trod | 
|---|---|---|
| you | have | trodden / trod | 
| he/she/it | has | trodden / trod | 
| we | have | trodden / trod | 
| you | have | trodden / trod | 
| they | have | trodden / trod | 
| I | had | trodden / trod | 
|---|---|---|
| you | had | trodden / trod | 
| he/she/it | had | trodden / trod | 
| we | had | trodden / trod | 
| you | had | trodden / trod | 
| they | had | trodden / trod | 
