| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had | 184943 |
|
| 2 | [Wh det] [verb] | 162574 |
|
| 3 | [Wh det] [vb past] | 60140 |
|
| 4 | [Wh det] have | 31664 |
|
