你的意思是？
| I | frequent |
|---|---|
| you | frequent |
| he/she/it | frequents |
| we | frequent |
| you | frequent |
| they | frequent |
| I | frequented |
|---|---|
| you | frequented |
| he/she/it | frequented |
| we | frequented |
| you | frequented |
| they | frequented |
| I | have | frequented |
|---|---|---|
| you | have | frequented |
| he/she/it | has | frequented |
| we | have | frequented |
| you | have | frequented |
| they | have | frequented |
| I | had | frequented |
|---|---|---|
| you | had | frequented |
| he/she/it | had | frequented |
| we | had | frequented |
| you | had | frequented |
| they | had | frequented |
单语范例（未经PONS编辑处理）
Rewards currency based on the frequent flyer model.
en.wikipedia.org Online account providers include financial institutions, stockbrokers, airline and frequent flyer and other reward programs, and e-mail accounts.
en.wikipedia.org Elite members of each airline's frequent flyer program receive benefits on both airlines.
en.wikipedia.org The airlines will share their frequent flyer benefits.
en.wikipedia.org Various payment options were allowed: major credit cards, mobile phone, hotspot accounts and even frequent flyer miles.
en.wikipedia.org