| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [unc] [no cls] | 1140 |
|
| 2 | for [unc] [no cls] | 187 |
|
| 3 | for a [no cls] | 168 |
|
| 4 | for a [unc] | 168 |
|
