| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] time [prep] | 4222 |
|
| 2 | [vb past] [prep] [prep] | 1496 |
|
| 3 | [vb past] [prep] time | 228 |
|
| 4 | [vb past] time [prep] | 167 |
|
