| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] if | 3125 |
|
| 2 | be [vb pp] [ex0] | 204 |
|
| 3 | [vb pp] if [ex0] | 147 |
|
| 4 | be if [ex0] | 41 |
|
