| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [to-vb] [prep] | 9224 |
|
| 2 | be [vb pp] [to-vb] [prep] | 9224 |
|
| 3 | be [verb] [to-vb] at | 765 |
|
| 4 | be [vb pp] [verb] at | 647 |
|
| 5 | [be] [vb pp] [to-vb] at | 537 |
|
| 6 | be [vb pp] [to-vb] at | 537 |
|
