| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] it [vb past] [prep] | 102 |
|
| 2 | [prep] [Wh det] it [vb past] [been] | 71 |
|
| 3 | [Wh det] it [vb past] [been] [prep] | 31 |
|
| 4 | [prep] [Wh det] [vb past] [been] [prep] | 11 |
|
| 5 | [prep] it [vb past] [been] [prep] | 6 |
|
