| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [v-ing] [adv] for | 51 |
|
| 2 | been [v-ing] [adv] for year | 21 |
|
| 3 | [vb past] been [v-ing] for year | 19 |
|
| 4 | [vb past] been [adv] for year | 5 |
|
