| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has to be [vb pp] [prep] its | 15 |
|
| 2 | has to be [vb pp] [prep] its | 15 |
|
| 3 | has to be [vb pp] on its | 6 |
|
| 4 | has to be [vb pp] on its | 6 |
|
