| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] ad hoc basis | 34 |
|
| 2 | on [art] [unc] hoc basis | 34 |
|
| 3 | [prep] [art] [no cls] hoc basis | 34 |
|
| 4 | [prep] [art] [unc] hoc basis | 34 |
|
| 5 | [prep] [art] ad hoc basis | 34 |
|
| 6 | on [art] [unc] hoc basis | 34 |
|
| 7 | [prep] [art] [unc] hoc basis | 34 |
|
| 8 | [prep] an [unc] hoc basis | 33 |
|
