| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] least 15 [unc] [no cls] | 8 |
|
| 2 | at least 15 [unc] [no cls] | 8 |
|
| 3 | [prep] least 15 [unc] [no cls] | 8 |
|
| 4 | at least 15 [unc] [no cls] | 8 |
|
| 5 | least 15 [unc] [no cls] [prep] | 6 |
|
| 6 | least 15 [unc] [no cls] of | 6 |
|
| 7 | least 15 [unc] [no cls] of | 6 |
|
| 8 | least 15 [unc] [no cls] [prep] | 6 |
|
