| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [v-ing] for [noun pl] | 48 |
|
| 2 | [vb past] been [v-ing] for some | 42 |
|
| 3 | been [v-ing] for some [noun pl] | 16 |
|
| 4 | [vb past] been [v-ing] some [noun pl] | 6 |
|
