| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [modal v] [be] [adv] | 1611 |
|
| 2 | [det] [be] [adv] [to-vb] | 829 |
|
| 3 | [modal v] [be] [adv] [to-vb] | 295 |
|
| 4 | [det] [modal v] [be] [to-vb] | 122 |
|
