| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] [adv] | 551 |
|
| 2 | [vb past] i [adv] | 352 |
|
| 3 | what i [adv] | 314 |
|
| 4 | what [vb past] i | 274 |
|
