| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [adv] be reduce to | 37 |
|
| 2 | can [not/n't] be reduce to | 27 |
|
| 3 | can [not/n't] [adv] be reduce | 6 |
|
| 4 | [not/n't] [adv] be reduce to | 6 |
|
