| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [adv] [adj] [to-vb] | 934 |
|
| 2 | [adv] [adv] easy [to-vb] | 603 |
|
| 3 | [not/n't] [adv] easy [to-vb] | 253 |
|
| 4 | not [adv] easy [to-vb] | 253 |
|
| 5 | not [adv] easy [verb] | 226 |
|
