| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] [pron] [is] | 2041 |
|
| 2 | [adv] [verb] it [is] | 1506 |
|
| 3 | [not/n't] [verb] it [be] | 1408 |
|
| 4 | [not/n't] [verb] [pers pn] [is] | 1173 |
|
| 5 | [not/n't] [verb] it [is] | 842 |
|
