| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] how this is to be | 5 |
|
| 2 | how this is to be [vb pp] | 12 |
|
| 3 | how this is to be [verb] | 12 |
|
| 4 | how this is to be done | 5 |
|
| 5 | how this is to be do | 5 |
|
