| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [verb] a | 578 |
|
| 2 | has [verb] a [num ord] | 79 |
|
| 3 | [been] [verb] a [num ord] | 16 |
|
| 4 | has [been] [verb] [num ord] | 9 |
|
| 5 | has [been] a [num ord] | 9 |
|
