| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did it have [prep] | 11 |
|
| 2 | [Wh adv] did it have [prep] | 11 |
|
| 3 | why did it have [prep] | 11 |
|
| 4 | [adv] did it have [prep] | 11 |
|
| 5 | did it have [prep] be | 14 |
|
| 6 | did it have [prep] be | 14 |
|
| 7 | did it have [prep] [be] | 14 |
|
| 8 | did it have [prep] [be] | 14 |
|
