| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [be] [verb] [prep] [noun pl] | 516 |
|
| 2 | [be] [verb] [prep] certain [noun pl] | 99 |
|
| 3 | may [be] [verb] [prep] certain | 21 |
|
| 4 | may [verb] [prep] certain [noun pl] | 12 |
|
