| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been there for some time | 8 |
|
| 2 | [vb past] [been] there for some time | 8 |
|
| 3 | [vb past] be there for some time | 8 |
|
| 4 | [vb past] [be] there for some time | 8 |
|
| 5 | had [be] there for some time | 7 |
|
