| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] n't so easy | 14 |
|
| 2 | be n't so easy | 14 |
|
| 3 | was n't so easy | 8 |
|
| 4 | [was/were] n't so easy | 8 |
|
| 5 | is n't so easy | 5 |
|
| 6 | [is] n't so easy | 5 |
|
| 7 | n't be so easy | 9 |
|
| 8 | n't [be] so easy | 9 |
|
| 9 | n't [be] so easy | 7 |
|
| 10 | n't be so easy | 7 |
|
