| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] for a | 104 |
|
| 2 | [vb past] on for a | 65 |
|
| 3 | it [vb past] on for | 26 |
|
| 4 | it [vb past] on a | 8 |
|
