| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] used [verb] [adj] [noun pl] | 425 |
|
| 2 | may [be] [verb] [adj] [noun pl] | 72 |
|
| 3 | may [be] used [verb] [adj] | 34 |
|
| 4 | may [be] used [verb] [noun pl] | 19 |
|
