| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] about [num] | 2680 |
|
| 2 | [be] [num] [unc] | 1608 |
|
| 3 | about [num] [unc] | 1388 |
|
| 4 | [be] about [unc] | 37 |
|
