| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [adv] for a [det] | 7 |
|
| 2 | [prep] [v-ing] for a [det] [noun] | 7 |
|
| 3 | [prep] [v-ing] for a [det] [noun pl] | 6 |
|
