| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at least [adj] per [no cls] in | 9 |
|
| 2 | [prep] least [adj] per [no cls] in | 9 |
|
| 3 | at least [adj] per [no cls] in | 9 |
|
| 4 | [prep] least [adj] per [no cls] in | 9 |
|
