| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb infin] what is to be | 6 |
|
| 2 | [vb infin] what is [verb] to be | 5 |
|
| 3 | [vb infin] what is to be [vb pp] | 9 |
|
| 4 | [vb infin] what is to be [verb] | 9 |
|
