| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] be [verb] | 1746 |
|
| 2 | [vb past] be [verb] for | 1666 |
|
| 3 | it be [verb] for | 748 |
|
| 4 | it [vb past] [verb] for | 96 |
|
| 5 | it [vb past] be for | 45 |
|
