| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [not/n't] [adv] [adv] easy [to-vb] | 21 |
|
| 2 | be [not/n't] [adv] [adv] easy [to-vb] | 21 |
|
| 3 | [is] [not/n't] [adv] [adv] easy [to-vb] | 10 |
|
| 4 | [was/were] [not/n't] [adv] [adv] easy [to-vb] | 8 |
|
| 5 | is [not/n't] [adv] [adv] easy [to-vb] | 7 |
|
| 6 | was [not/n't] [adv] [adv] easy [to-vb] | 6 |
|
