| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [adv] [adj] | 401 |
|
| 2 | have been [adv] [adj] for | 323 |
|
| 3 | it have been [adj] for | 121 |
|
| 4 | it have been [adv] for | 20 |
|
