| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] [noun] [prep] | 9836 |
|
| 2 | back [adj] [noun] [prep] | 174 |
|
| 3 | back at [noun] [prep] | 109 |
|
| 4 | back at [adj] [noun] | 87 |
|
| 5 | back at [adj] [prep] | 15 |
|
