| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] what is [verb] to be | 5 |
|
| 2 | [to-vb] what is to be [vb pp] | 14 |
|
| 3 | [to-vb] what is to be [verb] | 14 |
|
| 4 | [to-vb] what is to be done | 6 |
|
| 5 | [to-vb] what is to be do | 6 |
|
