| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [adv] been easy | 10 |
|
| 2 | it had [adv] been easy | 10 |
|
| 3 | it [vb past] not been easy | 8 |
|
| 4 | it [vb past] [not/n't] been easy | 8 |
|
| 5 | it [vb past] not been easy | 5 |
|
