| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [to-vb] [prep] [art] | 4933 |
|
| 2 | be [vb pp] [verb] [prep] [art] | 4920 |
|
| 3 | be [vb pp] [to-vb] [prep] [art] | 3678 |
|
| 4 | [be] [vb pp] [to-vb] [prep] [art] | 3678 |
|
