| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be explained by the [noun sg] [prep] | 31 |
|
| 2 | be explained by the [noun sg] [prep] | 31 |
|
| 3 | be explained by the [noun sg] [prep] | 31 |
|
| 4 | be explained by the [noun sg] of | 27 |
|
| 5 | be explained by the [noun sg] of | 27 |
|
