| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not have been easy for | 9 |
|
| 2 | [adv] have been easy for | 9 |
|
| 3 | [not/n't] have been easy for | 9 |
|
| 4 | [adv] have been easy for | 9 |
|
| 5 | not have been easy for | 5 |
|
