| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [adv] [prep] some time | 9 |
|
| 2 | [vb base] been [adv] for some time | 8 |
|
| 3 | [vb base] been [adv] for some time | 8 |
|
| 4 | have been [adv] [prep] some time | 7 |
|
