| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [adv] [vb pp] [prep] | 7694 |
|
| 2 | be [adv] [vb pp] back [prep] | 185 |
|
| 3 | [adv] [adv] [vb pp] back [prep] | 38 |
|
| 4 | be [adv] [adv] back [prep] | 28 |
|
| 5 | be [adv] [adv] [vb pp] back | 10 |
|
