| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] [noun sg] | 20440 |
|
| 2 | back [prep] [noun sg] | 4590 |
|
| 3 | [to-vb] back [prep] | 2905 |
|
| 4 | [to-vb] back [noun sg] | 82 |
|
