| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [adv] [be] used for | 10 |
|
| 2 | [not/n't] [adv] be used for | 10 |
|
| 3 | [not/n't] [adv] [be] used for | 10 |
|
| 4 | not [adv] [be] used for | 8 |
|
| 5 | [not/n't] [adv] [be] used for | 7 |
|
| 6 | [not/n't] [adv] be used for | 7 |
|
