| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [pron] have to be | 248 |
|
| 2 | [vb pp] and have to be | 26 |
|
| 3 | [vb pp] [pron] have to be | 23 |
|
| 4 | [vb pp] and [pron] have to | 9 |
|
