I. tread <过去式 trod; 过去分词 trodden or trod> [tred] 动词 trans
II. tread <过去式 trod; 过去分词 trodden or trod> [tred] 动词 不及物动词 (on)
III. tread <过去式 trod; 过去分词 trodden or trod> [tred] 名词
| 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 |
单语范例（未经PONS编辑处理）
The overall car width remained the same resulting in narrower running boards with two tread strips as opposed to the previous three.
en.wikipedia.org Using carbon black only in the tread produced tires with inner and outer sidewalls of white rubber.
en.wikipedia.org And our hearts are standing attention, while we wait for their passing tread.
en.wikipedia.org The tower is of galvanized steel construction, although the staircase landings and treads are wooden.
en.wikipedia.org The tread provides traction while the body ensures support.
en.wikipedia.org