| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [prep] [noun sg] | 17299 |
|
| 2 | back [prep] [noun sg] | 4590 |
|
| 3 | [vb infin] back [prep] | 2489 |
|
| 4 | [vb infin] back [noun sg] | 43 |
|
