| I | buckle |
|---|---|
| you | buckle |
| he/she/it | buckles |
| we | buckle |
| you | buckle |
| they | buckle |
| I | buckled |
|---|---|
| you | buckled |
| he/she/it | buckled |
| we | buckled |
| you | buckled |
| they | buckled |
| I | have | buckled |
|---|---|---|
| you | have | buckled |
| he/she/it | has | buckled |
| we | have | buckled |
| you | have | buckled |
| they | have | buckled |
| I | had | buckled |
|---|---|---|
| you | had | buckled |
| he/she/it | had | buckled |
| we | had | buckled |
| you | had | buckled |
| they | had | buckled |
单语范例（未经PONS编辑处理）
Once, when he dropped a diamond buckle when he was going to exit the stage, he crawled around the stage looking for it.
en.wikipedia.org This effect is called in the jargon as buckling.
en.wikipedia.org Finishers receive a belt buckle and medal but no prize money is awarded.
en.wikipedia.org Now eighty-five percent of the people buckle up.
en.wikipedia.org When these trunks buckled and broke, they could fill with sediment.
en.wikipedia.org