| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] [pron] [verb] [pron] | 330 |
|
| 2 | [vb past] [pron] [verb] [pron] [vb infin] | 249 |
|
| 3 | what [pron] [verb] [pron] [vb infin] | 88 |
|
| 4 | what [vb past] [verb] [pron] [vb infin] | 7 |
|
