| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] [verb] [art] | 409 |
|
| 2 | [pron] be [prep] [verb] a | 284 |
|
| 3 | it be [prep] [verb] a | 232 |
|
| 4 | it [be] [prep] [verb] a | 232 |
|
