| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [not/n't] [to-vb] | 1234 |
|
| 2 | [is] [not/n't] i | 129 |
|
| 3 | [not/n't] [to-vb] i | 87 |
|
| 4 | [is] [to-vb] i | 31 |
|
