| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] [vb infin] | 60233 |
|
| 2 | what [vb past] [adv] | 881 |
|
| 3 | what [vb past] [vb infin] | 67 |
|
| 4 | what [adv] [vb infin] | 12 |
|
