| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] been a [adj] | 319 |
|
| 2 | it has [adv] been [adj] | 194 |
|
| 3 | it has been a [adj] | 140 |
|
| 4 | it has [adv] been a | 73 |
|
| 5 | it has [adv] a [adj] | 7 |
|
