| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [not/n't] [adj] | 17577 |
|
| 2 | [is] [adj] to use | 405 |
|
| 3 | [not/n't] [adj] to use | 49 |
|
| 4 | [is] [not/n't] to use | 6 |
|
