| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] before it is [verb] | 15 |
|
| 2 | [be] [verb] before it is [verb] | 15 |
|
| 3 | [be] [verb] before it is [vb pp] | 15 |
|
| 4 | [be] [vb pp] before it is [verb] | 15 |
|
