| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] what be | 781 |
|
| 2 | [vb past] what [be] | 781 |
|
| 3 | [vb past] [pron] are | 204 |
|
| 4 | [verb] what are | 189 |
|
| 5 | [vb past] [Wh det] are | 27 |
|
| 6 | [vb past] what [am/are] | 24 |
|
| 7 | [vb past] what are | 22 |
|
