| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [been] [art] | 3061 |
|
| 2 | to have [been] [art] | 819 |
|
| 3 | [adv] to have [art] | 575 |
|
| 4 | [adv] to have [been] | 330 |
|
