| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] back [prep] a [adj] [noun sg] | 24 |
|
| 2 | [vb infin] back [prep] a [adj] [noun sg] | 24 |
|
| 3 | [vb infin] back to a [adj] [noun sg] | 8 |
|
| 4 | [vb infin] back to a [adj] [noun sg] | 8 |
|
