| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] some time | 2270 |
|
| 2 | [vb past] [prep] some | 1174 |
|
| 3 | [vb past] some time | 253 |
|
| 4 | [vb past] [prep] time | 228 |
|
