| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] in [noun sg] | 4099 |
|
| 2 | back in [noun sg] | 912 |
|
| 3 | [vb infin] back in | 168 |
|
| 4 | [vb infin] back [noun sg] | 43 |
|
