| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] [be] | 1866 |
|
| 2 | [adv] [vb pp] whether | 84 |
|
| 3 | [adv] [be] whether | 67 |
|
| 4 | [vb pp] [be] whether | 63 |
|
