| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [vb past] [prep] | 2877 |
|
| 2 | what [pron] [vb past] [prep] | 2870 |
|
| 3 | what [pron] [verb] for | 589 |
|
| 4 | [pron] [pron] [vb past] for | 577 |
|
| 5 | what [pron] [vb past] for | 241 |
|
