| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] have been easy | 29 |
|
| 2 | [modal v] have been easy for | 19 |
|
| 3 | [adv] have been easy for | 9 |
|
| 4 | [modal v] [adv] have been for | 8 |
|
