| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [prep] [be] | 5236 |
|
| 2 | [verb] [prep] [be] easy | 98 |
|
| 3 | not [verb] [be] easy | 27 |
|
| 4 | not [verb] [prep] easy | 8 |
|
