| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] n't [been] easy | 14 |
|
| 2 | it [vb -s] n't been easy | 14 |
|
| 3 | it has n't [be] easy | 14 |
|
| 4 | it [vb -s] n't [be] easy | 14 |
|
| 5 | it [vb -s] n't be easy | 14 |
|
