| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [vb pp] [prep] | 38845 |
|
| 2 | be [vb pp] [prep] [det] | 9633 |
|
| 3 | to be [prep] [det] | 587 |
|
| 4 | to be [vb pp] [det] | 448 |
|
