| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] for a | 242 |
|
| 2 | been [v-ing] [pers pn] for | 196 |
|
| 3 | [v-ing] [pers pn] for a | 182 |
|
| 4 | been [v-ing] [pers pn] a | 31 |
|
