| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [is] not | 2380 |
|
| 2 | [ex0] is not | 1643 |
|
| 3 | [ex0] [is] not | 1472 |
|
| 4 | [ex0] [is] n't | 908 |
|
| 5 | [ex0] 's not | 735 |
|
