| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] be [vb pp] back [prep] | 9 |
|
| 2 | had [adv] be [vb pp] back [prep] | 9 |
|
| 3 | [vb past] [adv] been [vb pp] back [prep] | 8 |
|
| 4 | [vb past] [adv] be [vb pp] back [prep] | 7 |
|
