| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it [vb past] [been] [prep] | 31 |
|
| 2 | [adv] [Wh det] it [vb past] [prep] | 17 |
|
| 3 | [adv] it [vb past] [been] [prep] | 16 |
|
| 4 | [adv] [Wh det] it [vb past] [been] | 12 |
|
