| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [adv] easy [to-vb] | 219 |
|
| 2 | be [adv] easy [to-vb] | 98 |
|
| 3 | not be easy [to-vb] | 38 |
|
| 4 | not be [adv] [to-vb] | 29 |
|
| 5 | not be [adv] easy | 20 |
|
