| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [not/n't] [be] [adv] attributed to | 5 |
|
| 2 | can [not/n't] [be] [adv] attributed to | 5 |
|
| 3 | [modal v] [not/n't] [be] [adv] attributed to | 5 |
|
| 4 | can [not/n't] [be] [adv] attributed to | 5 |
|
