| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] so easily [vb pp] | 9 |
|
| 2 | is not so easily [vb pp] | 8 |
|
| 3 | is [not/n't] so easily [vb pp] | 8 |
|
| 4 | is not so easily [vb pp] | 7 |
|
