| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] had it [vb pp] | 21 |
|
| 2 | [Wh adv] [vb past] it [vb pp] | 21 |
|
| 3 | how [vb past] it [vb pp] | 10 |
|
| 4 | why [vb past] it [vb pp] | 8 |
|
| 5 | [Wh adv] [vb past] it happened | 7 |
|
