| I | relent |
|---|---|
| you | relent |
| he/she/it | relents |
| we | relent |
| you | relent |
| they | relent |
| I | relented |
|---|---|
| you | relented |
| he/she/it | relented |
| we | relented |
| you | relented |
| they | relented |
| I | have | relented |
|---|---|---|
| you | have | relented |
| he/she/it | has | relented |
| we | have | relented |
| you | have | relented |
| they | have | relented |
| I | had | relented |
|---|---|---|
| you | had | relented |
| he/she/it | had | relented |
| we | had | relented |
| you | had | relented |
| they | had | relented |
单语范例（未经PONS编辑处理）
The latter compound is used as a methylene-transfer reagent, and is used to prepare epoxides.
en.wikipedia.org These make this reagent very dangerous to work with.
en.wikipedia.org However, the standard method for removing halogen atoms requires the use of stoichiometric organotin reagents, such as tributyltin hydride.
en.wikipedia.org Electrons entering the source will preferentially ionize the reagent gas.
en.wikipedia.org Patient serum is mixed with the reagent containing the sensitized gelatin particles.
en.wikipedia.org