| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [verb] by the [noun sg] | 348 |
|
| 2 | may be [vb pp] by the [noun sg] | 346 |
|
| 3 | [modal v] be explained by the [noun sg] | 42 |
|
| 4 | [vb mod] be explained by the [noun sg] | 42 |
|
| 5 | may be explained by [art] [noun sg] | 12 |
|
| 6 | may be explained by the [noun] | 11 |
|
| 7 | may be explain by the [noun sg] | 9 |
|
| 8 | may [be] explained by the [noun sg] | 9 |
|
| 9 | may [be] explained by the [noun sg] | 9 |
|
| 10 | may be explained [prep] the [noun sg] | 9 |
|
| 11 | may be explained by the [noun sg] | 9 |
|
| 12 | may be explained by the [noun sg] | 9 |
|
