| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [vb pp] [prep] [be] | 252 |
|
| 2 | to be [vb pp] and [prep] | 117 |
|
| 3 | to be [vb pp] and [be] | 42 |
|
| 4 | be [vb pp] and [prep] [be] | 18 |
|
