| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] back to | 758 |
|
| 2 | [vb pp] [to-vb] [adv] to | 594 |
|
| 3 | [vb pp] [to-vb] [adv prt] to | 449 |
|
| 4 | [vb pp] [to-vb] back [prep] | 224 |
|
| 5 | [vb pp] [verb] back to | 134 |
|
| 6 | [vb pp] [to-vb] back to | 112 |
|
