| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [prep] a | 665 |
|
| 2 | [pers pn] [v-ing] [prep] a | 387 |
|
| 3 | [pers pn] been [v-ing] [prep] | 136 |
|
| 4 | [pers pn] been [prep] a | 19 |
|
| 5 | [pers pn] been [v-ing] a | 8 |
|
