| I | windsurf |
|---|---|
| you | windsurf |
| he/she/it | windsurfs |
| we | windsurf |
| you | windsurf |
| they | windsurf |
| I | windsurfed |
|---|---|
| you | windsurfed |
| he/she/it | windsurfed |
| we | windsurfed |
| you | windsurfed |
| they | windsurfed |
| I | have | windsurfed |
|---|---|---|
| you | have | windsurfed |
| he/she/it | has | windsurfed |
| we | have | windsurfed |
| you | have | windsurfed |
| they | have | windsurfed |
| I | had | windsurfed |
|---|---|---|
| you | had | windsurfed |
| he/she/it | had | windsurfed |
| we | had | windsurfed |
| you | had | windsurfed |
| they | had | windsurfed |