| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long [noun sg] | 3853 |
|
| 2 | back [prep] a [noun sg] | 884 |
|
| 3 | back a long [noun sg] | 49 |
|
| 4 | back [prep] a long | 10 |
|
