| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [conj] [vb infin] [det] [noun] | 18 |
|
| 2 | back and [vb infin] [det] [noun] | 18 |
|
| 3 | back [coord] [vb infin] [det] [noun] | 18 |
|
| 4 | back and [vb infin] [det] [noun] | 18 |
|
| 5 | back [conj] [vb infin] [det] [noun sg] | 13 |
|
