| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [vb pp] from [noun sg] | 56 |
|
| 2 | may be [vb pp] from time | 8 |
|
| 3 | may be obtained from [noun sg] | 6 |
|
| 4 | may be selected from [noun sg] | 6 |
|
