| I | deepen |
|---|---|
| you | deepen |
| he/she/it | deepens |
| we | deepen |
| you | deepen |
| they | deepen |
| I | deepened |
|---|---|
| you | deepened |
| he/she/it | deepened |
| we | deepened |
| you | deepened |
| they | deepened |
| I | have | deepened |
|---|---|---|
| you | have | deepened |
| he/she/it | has | deepened |
| we | have | deepened |
| you | have | deepened |
| they | have | deepened |
| I | had | deepened |
|---|---|---|
| you | had | deepened |
| he/she/it | had | deepened |
| we | had | deepened |
| you | had | deepened |
| they | had | deepened |
单语范例（未经PONS编辑处理）
The hymenium is folded into decurrent ridges (false gills) and cross-veins, which deepen with age.
en.wikipedia.org It was founded in 2006 by 12 ethical banking and finance institutions with the aim to deepen education for socially oriented banking and finance employees.
en.wikipedia.org His once-sweet soul scream had deepened to a rasping growl, giving his latter albums a whole new feel.
en.wikipedia.org Thanks to his fathers extensive private library he had the opportunity to deepen his knowledge, beyond school education, in literature, philosophy, history and the arts.
en.wikipedia.org The well can be deepened easily and it is easily converted to screen and liner.
en.wikipedia.org