| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] [adv] [to-vb] | 632 |
|
| 2 | [modal v] be [vb pp] [adv] [verb] | 433 |
|
| 3 | [modal v] be [verb] [adv] [to-vb] | 338 |
|
| 4 | [modal v] [be] [vb pp] [adv] [to-vb] | 299 |
|
