| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [is] [not/n't] | 1374 |
|
| 2 | and [is] [not/n't] | 639 |
|
| 3 | and which [is] | 295 |
|
| 4 | and which [not/n't] | 7 |
|
