| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] for an [noun] | 472 |
|
| 2 | been [v-ing] for [noun] | 301 |
|
| 3 | been [v-ing] an [noun] | 78 |
|
| 4 | been [v-ing] for an | 37 |
|
