| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [be] [prep] [be] | 8 |
|
| 2 | [modal v] [vb infin] [be] [prep] [be] | 8 |
|
| 3 | [modal v] [verb] [be] to [be] | 7 |
|
| 4 | [modal v] [vb infin] [be] to [be] | 7 |
|
