| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [be] used for | 88 |
|
| 2 | has [be] used for | 62 |
|
| 3 | has [not/n't] [be] used | 30 |
|
| 4 | has [not/n't] [be] for | 9 |
|
