| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [be] used [prep] | 324 |
|
| 2 | have [be] used [prep] | 217 |
|
| 3 | have not [be] [prep] | 50 |
|
| 4 | have not [be] used | 13 |
|
