| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [adv] be explained [prep] [adj] | 10 |
|
| 2 | can not be explained [prep] [adj] | 9 |
|
| 3 | can not be explained [prep] [adj] | 9 |
|
| 4 | can [not/n't] be explained [prep] [adj] | 9 |
|
| 5 | can [adv] be explained by [adj] | 6 |
|
