| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [prep] [art] [noun] | 34005 |
|
| 2 | back [prep] [art] [noun] | 12678 |
|
| 3 | [vb -s] back [prep] [art] | 607 |
|
| 4 | [vb -s] back [prep] [noun] | 265 |
|
| 5 | [vb -s] back [art] [noun] | 56 |
|
