| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh det] to do | 939 |
|
| 2 | [vb past] [pron] to do | 893 |
|
| 3 | [vb past] [Wh det] [verb] | 893 |
|
| 4 | [vb past] [Wh det] do | 142 |
|
| 5 | [vb past] [Wh det] [to-vb] | 135 |
|
