| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [adj] [noun prp] | 94 |
|
| 2 | back [prep] [adj] [noun prp] | 94 |
|
| 3 | [adv] at [adj] [noun prp] | 92 |
|
| 4 | back at [adj] [noun] | 87 |
|
| 5 | [adv prt] at [adj] [noun prp] | 44 |
|
| 6 | back at [adj] [noun prp] | 6 |
|
| 7 | back at [adj] [noun prp] | 6 |
|
