| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have to be | 2893 |
|
| 2 | [pron] [vb mod] to be | 2740 |
|
| 3 | [pron] [vb mod] have to | 1356 |
|
| 4 | [pron] have to be | 123 |
|
