| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] for about [num] | 10 |
|
| 2 | had been [verb] for about [adj] | 9 |
|
| 3 | [vb past] been [vb pp] for about [adj] | 5 |
|
| 4 | [vb past] been [v-ing] for about [adj] | 5 |
|
