| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be [verb] [prep] a | 1858 |
|
| 2 | [vb past] [verb] it [prep] a | 193 |
|
| 3 | be [verb] it [prep] a | 185 |
|
| 4 | [vb past] be [verb] it [prep] | 40 |
|
