| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [verb] to be | 537 |
|
| 2 | [vb mod] [verb] to be a | 515 |
|
| 3 | it [verb] to be a | 356 |
|
| 4 | it [vb mod] [verb] to a | 110 |
|
| 5 | it [vb mod] to be a | 54 |
|
