| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [vb past] [prep] | 2877 |
|
| 2 | [pron] [vb past] be [prep] | 2698 |
|
| 3 | what [pron] be [prep] | 1314 |
|
| 4 | what [pron] [vb past] be | 1219 |
|
| 5 | what [vb past] be [prep] | 18 |
|
