| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [adv] by the [adj] [noun] | 14 |
|
| 2 | back [adv prt] by the [adj] [noun] | 13 |
|
| 3 | back up by the [adj] [noun] | 13 |
|
| 4 | back up by the [adj] [noun] | 13 |
|
| 5 | back [adv] by the [adj] [noun sg] | 11 |
|
| 6 | backed [adv] by the [adj] [noun] | 7 |
|
| 7 | backed [adv] by the [adj] [noun] | 7 |
|
