| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] not easy [verb] | 312 |
|
| 2 | which [is] not [verb] | 288 |
|
| 3 | which [is] easy [verb] | 37 |
|
| 4 | which [is] not easy | 9 |
|
