| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [vb pp] on [adj] [noun pl] | 20 |
|
| 2 | may be based on [adj] [noun pl] | 7 |
|
| 3 | may be [vb pp] on [det] [noun pl] | 5 |
|
| 4 | may be [vb pp] on [adj] grounds | 5 |
|
