| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] it [vb infin] [pron] | 9 |
|
| 2 | what [vb past] it [verb] [pron] | 9 |
|
| 3 | what did it [verb] [pron] | 9 |
|
| 4 | what [vb past] it [verb] [pron] | 9 |
|
| 5 | what [vb past] it [verb] [pers pn] | 6 |
|
