| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] be used [prep] [adj] | 132 |
|
| 2 | [noun pl] may be used [prep] | 57 |
|
| 3 | [noun pl] may be [prep] [adj] | 31 |
|
| 4 | may be used [prep] [adj] | 29 |
|
