| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [art] [adj] [adj] [noun] | 237 |
|
| 2 | [adv] at [art] [adj] [adj] [noun] | 236 |
|
| 3 | [adv prt] at [art] [adj] [adj] [noun] | 124 |
|
| 4 | back at [art] [adj] [adj] [noun] | 9 |
|
