| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] some time | 75 |
|
| 2 | be [prep] some time | 41 |
|
| 3 | [vb past] be [prep] some | 28 |
|
| 4 | [vb past] be some time | 6 |
|
