| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is to be [verb] | 174 |
|
| 2 | which is to be [vb pp] | 173 |
|
| 3 | which is to be found | 11 |
|
| 4 | which is to be find | 11 |
|
| 5 | which is to be used | 8 |
|
| 6 | which is to be use | 8 |
|
| 7 | which is to be held | 5 |
|
| 8 | which is to be hold | 5 |
|
