| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [be] [vb pp] [prep] | 39071 |
|
| 2 | [adv] [be] [vb pp] [prep] | 30287 |
|
| 3 | [adv] to [be] [vb pp] | 6439 |
|
| 4 | [adv] to [be] [prep] | 412 |
|
