| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [adv] easy [to-vb] | 247 |
|
| 2 | [adv] so easy [to-vb] | 66 |
|
| 3 | [not/n't] so easy [to-vb] | 50 |
|
| 4 | [not/n't] [adv] so easy | 15 |
|
