| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which be to be | 604 |
|
| 2 | which was to be | 200 |
|
| 3 | which is to be | 198 |
|
| 4 | which are to be | 139 |
|
| 5 | which were to be | 67 |
|
