| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have [not/n't] [be] used [prep] | 5 |
|
| 2 | have [not/n't] [be] used [prep] [art] | 5 |
|
| 3 | have [not/n't] [be] used [prep] [adj] | 5 |
|
| 4 | have [not/n't] [be] used [prep] [art] | 5 |
|
