| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which are to be | 12 |
|
| 2 | [prep] which are [prep] be | 12 |
|
| 3 | [prep] which are [prep] be | 12 |
|
| 4 | [prep] which are to be | 12 |
|
| 5 | of which are [prep] be | 10 |
|
| 6 | of which are [prep] be | 10 |
|
