| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [v-ing] [noun] for | 53 |
|
| 2 | when [v-ing] [noun pl] for | 33 |
|
| 3 | when [v-ing] [noun sg] for | 16 |
|
| 4 | when choosing [noun] for | 7 |
|
