| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] to be a | 479 |
|
| 2 | [vb base] it to be | 298 |
|
| 3 | it to be a | 163 |
|
| 4 | [vb base] it to a | 87 |
|
| 5 | [vb base] it be a | 6 |
|
