| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [v-ing] [pers pn] for | 82 |
|
| 2 | [vb base] been [v-ing] for a | 62 |
|
| 3 | been [v-ing] [pers pn] for a | 23 |
|
| 4 | [vb base] been [v-ing] [pers pn] a | 10 |
|
