| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [prep] a | 2425 |
|
| 2 | be [adv] back [prep] | 202 |
|
| 3 | be back [prep] a | 180 |
|
| 4 | [adv] back [prep] a | 47 |
|
