| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have to be | 3371 |
|
| 2 | [modal v] have to be | 2898 |
|
| 3 | [pers pn] [modal v] to be | 1892 |
|
| 4 | [pers pn] [modal v] have to | 1124 |
|
