| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [art] [noun sg] [prep] | 2275 |
|
| 2 | [prep] [art] [noun sg] [prep] time | 1310 |
|
| 3 | back [prep] [art] [noun sg] time | 5 |
|
| 4 | back [prep] [noun sg] [prep] time | 5 |
|
