| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and it [is] [not/n't] easy [to-vb] | 20 |
|
| 2 | and it [is] [not/n't] easy [to-vb] | 20 |
|
| 3 | and it [is] not easy [to-vb] | 18 |
|
| 4 | and it is [not/n't] easy [to-vb] | 17 |
|
