| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [adv] [verb] [prep] | 1888 |
|
| 2 | [Wh det] [adv] [vb past] [prep] | 790 |
|
| 3 | [Wh det] [adv] exist [prep] | 67 |
|
| 4 | [pron] [adv] existed [prep] | 43 |
|
| 5 | [Wh det] [adv] existed [prep] | 26 |
|
