| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [vb pp] to | 2852 |
|
| 2 | be [vb pp] back to | 787 |
|
| 3 | [adv] [vb pp] back to | 176 |
|
| 4 | [adv] be [vb pp] back | 112 |
|
| 5 | [adv] be back to | 6 |
|
