| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [v-ing] for | 380 |
|
| 2 | been [v-ing] for some | 87 |
|
| 3 | [vb -s] been [v-ing] some | 31 |
|
| 4 | [vb -s] been for some | 14 |
|
