| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] had be | 16383 |
|
| 2 | had to be | 5409 |
|
| 3 | [pers pn] to be | 4998 |
|
| 4 | [pers pn] had to | 1743 |
|
