| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] has been [prep] | 750 |
|
| 2 | [noun sg] has been a | 610 |
|
| 3 | has been [prep] a | 130 |
|
| 4 | [noun sg] has [prep] a | 42 |
|
| 5 | [noun sg] been [prep] a | 9 |
|
