| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [noun sg] [vb past] | 549 |
|
| 2 | [noun sg] [vb past] i | 403 |
|
| 3 | what [vb past] i | 274 |
|
| 4 | what [noun sg] i | 137 |
|
