| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has been [noun] | 47 |
|
| 2 | it has [been] [noun sg] | 31 |
|
| 3 | it has [been] [noun prp] | 10 |
|
| 4 | it has [been] [noun pl] | 5 |
|
