| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [prep] | 32863 |
|
| 2 | be back [prep] | 2756 |
|
| 3 | [adv] back [prep] | 1636 |
|
| 4 | be [adv] back | 278 |
|
