| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [vb past] it have to | 12 |
|
| 2 | [Wh adv] [vb past] it have [prep] | 12 |
|
| 3 | [Wh adv] [vb past] it have to | 12 |
|
| 4 | [Wh adv] [vb past] it have [prep] | 12 |
|
