 
  
 I. tread <trod [or 美 a. treaded], trodden [or trod]> [tred] 动词 不及物动词
1. tread (step):
短语,惯用语:
II. tread <trod [or 美 a. treaded], trodden [or trod]> [tred] 动词 trans
tread 名词
 
  
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-  tread
-  
-  tread
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-  tread
| 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 | 
