| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have to be [vb pp] to [be] | 8 |
|
| 2 | have to be [vb pp] to be | 8 |
|
| 3 | have to be [vb pp] to [be] | 8 |
|
| 4 | have to be seen to [be] | 5 |
|
