| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [vb pp] back to the [noun sg] | 8 |
|
| 2 | has [vb pp] back to the [noun] | 8 |
|
| 3 | [vb -s] gone back to the [noun] | 5 |
|
