| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] [vb pp] to [be] [art] | 141 |
|
| 2 | [modal v] [be] [vb pp] to [be] [art] | 141 |
|
| 3 | must [be] [vb pp] to [be] [art] | 5 |
|
| 4 | must [be] [vb pp] to [be] [art] | 5 |
|
| 5 | must [be] [vb pp] [prep] [be] [art] | 5 |
|
| 6 | must [be] [vb pp] [prep] [be] [art] | 5 |
|
| 7 | must [be] [verb] to [be] [art] | 5 |
|
