| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] not [adj] [prep] [pron] [to-vb] | 117 |
|
| 2 | [be] [adv] easy [prep] [pron] [to-vb] | 58 |
|
| 3 | [be] not easy [prep] [pron] [verb] | 17 |
|
