| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] so [subord] [to-vb] | 254 |
|
| 2 | [be] [vb pp] so [subord] | 223 |
|
| 3 | [be] [vb pp] [subord] [to-vb] | 23 |
|
| 4 | [be] [vb pp] so [to-vb] | 12 |
|
