| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to [be] | 17707 |
|
| 2 | be [vb pp] to [be] | 12638 |
|
| 3 | be [vb pp] [prep] [be] | 12585 |
|
| 4 | [be] [vb pp] to [be] | 12578 |
|
