| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] so easy [to-vb] | 49 |
|
| 2 | it [is] so easy [verb] | 49 |
|
| 3 | it 's so easy [verb] | 31 |
|
| 4 | it is so easy [verb] | 18 |
|
| 5 | it [is] so easy forget | 5 |
|
| 6 | it [is] so easy to forget | 5 |
|
