| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which may be used [prep] | 23 |
|
| 2 | which may be used [prep] | 23 |
|
| 3 | which may be used [prep] | 23 |
|
| 4 | which may be used in | 7 |
|
| 5 | which may be used in | 7 |
|
| 6 | which may be used by | 6 |
|
| 7 | which may be used by | 6 |
|
