| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [verb] [prep] [art] certain | 6 |
|
| 2 | may be [verb] [prep] [art] certain | 6 |
|
| 3 | may be [verb] [prep] a certain | 6 |
|
| 4 | may be [verb] [prep] a certain | 6 |
|
| 5 | may be [vb pp] [prep] [art] certain | 5 |
|
