| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a [noun] [pron] | 629 |
|
| 2 | [verb] for a [noun] [pron] | 344 |
|
| 3 | [v-ing] for [art] [noun] [pron] | 221 |
|
