| I | barter |
|---|---|
| you | barter |
| he/she/it | barters |
| we | barter |
| you | barter |
| they | barter |
| I | bartered |
|---|---|
| you | bartered |
| he/she/it | bartered |
| we | bartered |
| you | bartered |
| they | bartered |
| I | have | bartered |
|---|---|---|
| you | have | bartered |
| he/she/it | has | bartered |
| we | have | bartered |
| you | have | bartered |
| they | have | bartered |
| I | had | bartered |
|---|---|---|
| you | had | bartered |
| he/she/it | had | bartered |
| we | had | bartered |
| you | had | bartered |
| they | had | bartered |
单语范例（未经PONS编辑处理）
In some past hyperinflations, workers were paid daily and immediately spent their earnings on essential goods, which they often used for barter.
en.wikipedia.org However, the extent of the circulation of shells as currency is still unknown, and barter trade was supposed to dominate in the market.
en.wikipedia.org If people barter, he pointed out, then they can rarely get what they want in one or two transactions.
en.wikipedia.org When women did not want to paint the walls themselves, they could barter with other women who would do the work.
en.wikipedia.org In a number of places, the economy of the eighteenth century was largely a barter system, with little specie circulated on the "hacienda".
en.wikipedia.org