| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [adv] [art] | 1743 |
|
| 2 | be [verb] back [art] | 95 |
|
| 3 | [be] [vb pp] back [art] | 26 |
|
| 4 | be [vb pp] back [art] | 26 |
|
