| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [not/n't] be explained [prep] | 52 |
|
| 2 | can [not/n't] be explained [prep] | 52 |
|
| 3 | can not be explained [prep] | 52 |
|
| 4 | can [not/n't] be explained by | 29 |
|
| 5 | can [not/n't] be explained in | 17 |
|
