| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [be] [adv] easy [to-vb] | 7 |
|
| 2 | not be [adv] easy [to-vb] | 7 |
|
| 3 | not [be] so easy [to-vb] | 5 |
|
| 4 | not [be] so easy [to-vb] | 5 |
|
