| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] so [conj] [to-vb] | 181 |
|
| 2 | [vb pp] so [conj] [to-vb] a | 29 |
|
| 3 | be [vb pp] so [conj] a | 28 |
|
| 4 | be [vb pp] [conj] [to-vb] a | 19 |
|
