| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [not/n't] [be] | 2944 |
|
| 2 | [not/n't] [be] used | 693 |
|
| 3 | has [be] used | 649 |
|
| 4 | has [not/n't] used | 16 |
|
