| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] be [prep] a | 189 |
|
| 2 | it [vb past] be [prep] [art] | 133 |
|
| 3 | it [verb] be [prep] a | 47 |
|
| 4 | it [vb past] [be] [prep] a | 23 |
|
| 5 | it [vb past] be [prep] a | 23 |
|
