| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] has to be | 1579 |
|
| 2 | [pron] [adv] to be | 376 |
|
| 3 | [adv] has to be | 256 |
|
| 4 | [pron] [adv] has to | 86 |
|
