| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be used for | 264 |
|
| 2 | [not/n't] be used for | 88 |
|
| 3 | [not/n't] to be used | 38 |
|
| 4 | [not/n't] to be for | 5 |
|
