| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [vb pp] [prep] | 38845 |
|
| 2 | be [vb pp] [prep] a | 14911 |
|
| 3 | to be [prep] a | 745 |
|
| 4 | to be [vb pp] a | 452 |
|
| 5 | to [vb pp] [prep] a | 7 |
|
