| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [vb pp] [adv] | 5376 |
|
| 2 | [prep] be [vb pp] so | 172 |
|
| 3 | be [vb pp] so [adv] | 89 |
|
| 4 | [prep] be so [adv] | 82 |
|
