| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [v-ing] for | 5002 |
|
| 2 | when [v-ing] for | 189 |
|
| 3 | when [noun] [v-ing] | 53 |
|
| 4 | when [noun] for | 38 |
|
