| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [is] to be done about | 7 |
|
| 2 | [Wh det] [is] to be done about | 7 |
|
| 3 | [pron] [is] to be done about | 7 |
|
| 4 | what [is] to be done about | 7 |
|
