| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [vb infin] this [is] [prep] | 5 |
|
| 2 | [not/n't] [verb] this is [prep] | 5 |
|
| 3 | [not/n't] [verb] this [is] [prep] | 5 |
|
| 4 | n't [verb] this [is] [prep] | 5 |
|
