| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [prep] a | 1277 |
|
| 2 | [vb past] [prep] a time | 133 |
|
| 3 | it [prep] a time | 15 |
|
| 4 | it [vb past] [prep] time | 8 |
|
