| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num] [unc] | 598 |
|
| 2 | be [prep] a [num] | 173 |
|
| 3 | be a [num] [unc] | 156 |
|
| 4 | be [prep] [num] [unc] | 74 |
|
| 5 | be [prep] a [unc] | 45 |
|
