| I | curve |
|---|---|
| you | curve |
| he/she/it | curves |
| we | curve |
| you | curve |
| they | curve |
| I | curved |
|---|---|
| you | curved |
| he/she/it | curved |
| we | curved |
| you | curved |
| they | curved |
| I | have | curved |
|---|---|---|
| you | have | curved |
| he/she/it | has | curved |
| we | have | curved |
| you | have | curved |
| they | have | curved |
| I | had | curved |
|---|---|---|
| you | had | curved |
| he/she/it | had | curved |
| we | had | curved |
| you | had | curved |
| they | had | curved |
单语范例（未经PONS编辑处理）
In front of these there were 10 marble columns, decorated with alternate rectilinear and curved segments.
en.wikipedia.org The corner turret has a slate roof and curved windowpanes, unusual at the time the house was built in the late 1890s.
www.odt.co.nz This wing also has a three storied brick tower but it has a curved mansard roof and spire.
en.wikipedia.org The prosoma (head) was subrectangular, with slightly curved compound eyes located relatively centrally on the dorsal surface.
en.wikipedia.org A well-known beauty spot, it is a large, curved limestone cliff at the head of a valley, with a fine area of limestone pavement at the top.
en.wikipedia.org