| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] about [art] | 1504 |
|
| 2 | what about [art] | 1108 |
|
| 3 | [vb past] what [art] | 418 |
|
| 4 | [vb past] what about | 15 |
|
