| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [prep] [art] | 2210 |
|
| 2 | been [v-ing] for [art] | 435 |
|
| 3 | [v-ing] for [prep] [art] | 54 |
|
| 4 | been [v-ing] for [prep] | 29 |
|
