| I | fold |
|---|---|
| you | fold |
| he/she/it | folds |
| we | fold |
| you | fold |
| they | fold |
| I | folded |
|---|---|
| you | folded |
| he/she/it | folded |
| we | folded |
| you | folded |
| they | folded |
| I | have | folded |
|---|---|---|
| you | have | folded |
| he/she/it | has | folded |
| we | have | folded |
| you | have | folded |
| they | have | folded |
| I | had | folded |
|---|---|---|
| you | had | folded |
| he/she/it | had | folded |
| we | had | folded |
| you | had | folded |
| they | had | folded |
单语范例（未经PONS编辑处理）
A 4-fold increase has been used to support the diagnosis of subclinical herpes zoster (zoster sine herpete).
en.wikipedia.org In both studies, researchers estimated fat mass using callipers to measure skin fold thickness.
www.nhs.uk Concept-formation occurs in the act of predication and is made possible through a two-fold abstraction.
en.wikipedia.org The rear seat could fold up, making it easy for the driver to get a fairly big item in the car without opening the hatchback.
en.wikipedia.org The vestibular fold is formed by the vestibular ligament extending from lateral walls of epiglottis to arytenoid cartilage covered with mucous membrane.
en.wikipedia.org