| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be used [prep] [adj] | 29 |
|
| 2 | may be used for [adj] | 21 |
|
| 3 | may be used in [adj] | 18 |
|
| 4 | may be used [prep] [det] | 16 |
|
| 5 | may be used [prep] this | 7 |
|
| 6 | may be used [prep] this | 7 |
|
