| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [vb pp] [to-vb] [prep] | 1336 |
|
| 2 | [am/are] [vb pp] [to-vb] [prep] | 1336 |
|
| 3 | [be] [vb pp] [to-vb] at | 537 |
|
| 4 | [am/are] [verb] [to-vb] at | 182 |
|
| 5 | [am/are] [vb pp] [verb] at | 91 |
|
| 6 | [am/are] [vb pp] [to-vb] at | 80 |
|
