| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] back [prep] the [det] | 5 |
|
| 2 | [to-vb] back [prep] the [noun] [det] | 6 |
|
| 3 | [to-vb] back [prep] the [det] [noun] | 8 |
|
| 4 | [to-vb] back [prep] the [det] [noun sg] | 6 |
|
