| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used [prep] [art] [noun sg] | 1082 |
|
| 2 | may be [prep] [art] [noun sg] | 272 |
|
| 3 | may be used [prep] [art] | 111 |
|
| 4 | may be used [prep] [noun sg] | 61 |
|
