| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] for some time | 206 |
|
| 2 | [been] [vb pp] for some | 115 |
|
| 3 | [been] for some time | 22 |
|
| 4 | [been] [vb pp] some time | 14 |
|
