| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [not/n't] [adv] it [is] [prep] | 5 |
|
| 2 | [is] [not/n't] [adv] it [is] [prep] | 5 |
|
| 3 | [be] [not/n't] [adv] it [is] [prep] | 5 |
|
| 4 | [not/n't] [vb infin] [adv] it [is] [prep] | 7 |
|
| 5 | [not/n't] [verb] [adv] it [is] [prep] | 7 |
|
| 6 | [not/n't] know [adv] it [is] [prep] | 5 |
|
| 7 | [not/n't] know [adv] it [is] [prep] | 5 |
|
