| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [not/n't] very easy [to-vb] | 12 |
|
| 2 | be [not/n't] very easy [to-vb] | 12 |
|
| 3 | [is] [not/n't] very easy [to-vb] | 11 |
|
| 4 | is [not/n't] very easy [to-vb] | 7 |
|
