| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to [be] | 17707 |
|
| 2 | [vb past] be [verb] to | 2261 |
|
| 3 | [vb past] [verb] to [be] | 779 |
|
| 4 | [vb past] be to [be] | 46 |
|
