| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [vb past] been [v-ing] for | 304 |
|
| 2 | [pers pn] [vb past] been [v-ing] an | 22 |
|
| 3 | [vb past] been [v-ing] for an | 15 |
|
