| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] been a [adj] | 319 |
|
| 2 | [det] has been a [adj] | 77 |
|
| 3 | [det] has [adv] been a | 32 |
|
| 4 | [det] has [adv] been [adj] | 29 |
|
