| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [adv] been easy [to-vb] | 15 |
|
| 2 | it [verb] [adv] been easy [to-vb] | 15 |
|
| 3 | it [vb -s] [adv] been easy [to-vb] | 12 |
|
| 4 | it has [adv] been easy [to-vb] | 10 |
|
| 5 | it [verb] [adv] been easy [to-vb] | 10 |
|
| 6 | it [verb] [not/n't] been easy [to-vb] | 9 |
|
| 7 | it [verb] not been easy [to-vb] | 9 |
|
| 8 | it [verb] not been easy [to-vb] | 7 |
|
| 9 | it [verb] never been easy [to-vb] | 6 |
|
| 10 | it [verb] never been easy [to-vb] | 6 |
|
| 11 | it [verb] [adv] been easy [to-vb] | 6 |
|
| 12 | it [verb] [adv] been easier [to-vb] | 5 |
|
