| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] go back [prep] a | 5 |
|
| 2 | [modal v] go back [prep] a | 5 |
|
| 3 | [adv] go back [prep] a | 5 |
|
| 4 | go back [prep] a [adj] | 7 |
|
| 5 | go back [prep] a [noun] | 5 |
|
