| I | doctor |
|---|---|
| you | doctor |
| he/she/it | doctors |
| we | doctor |
| you | doctor |
| they | doctor |
| I | doctored |
|---|---|
| you | doctored |
| he/she/it | doctored |
| we | doctored |
| you | doctored |
| they | doctored |
| I | have | doctored |
|---|---|---|
| you | have | doctored |
| he/she/it | has | doctored |
| we | have | doctored |
| you | have | doctored |
| they | have | doctored |
| I | had | doctored |
|---|---|---|
| you | had | doctored |
| he/she/it | had | doctored |
| we | had | doctored |
| you | had | doctored |
| they | had | doctored |
单语范例（未经PONS编辑处理）
Barefoot doctors were a diverse array of village health workers who lived in rural areas and received basic health care training.
en.wikipedia.org The article said that some of these barefoot doctors had actually saved lives and helped hundreds of people recover from common illnesses.
www.firstpost.com In rural areas the country's barefoot doctors distributed information and contraceptives to people's commune members.
en.wikipedia.org But soon farmers demanded better medical services as their incomes increased, bypassing the barefoot doctors and going straight to the commune health centers or county hospitals.
en.wikipedia.org They go from barefoot doctor to wildly successful businessman -- and back again.
www.ft.com