| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [noun] for | 5494 |
|
| 2 | a [noun] [noun] [v-ing] | 2979 |
|
| 3 | [noun] [noun] [v-ing] for | 658 |
|
| 4 | a [noun] [v-ing] for | 499 |
|
