| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] [prep] | 1023 |
|
| 2 | have been [adv] important | 71 |
|
| 3 | been [adv] important [prep] | 41 |
|
| 4 | have been important [prep] | 33 |
|
