| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in a [det] [noun] | 1082 |
|
| 2 | back in a [noun] | 216 |
|
| 3 | back a [det] [noun] | 61 |
|
| 4 | back in [det] [noun] | 44 |
|
| 5 | back in a [det] | 16 |
|
