| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] to be [verb] | 5144 |
|
| 2 | is to be [verb] | 4677 |
|
| 3 | is [vb pp] to be | 3591 |
|
| 4 | is [vb pp] to [verb] | 246 |
|
