| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [noun sg] | 106 |
|
| 2 | it have [been] [noun sg] | 106 |
|
| 3 | it had [been] [noun sg] | 44 |
|
| 4 | it has [been] [noun sg] | 31 |
|
| 5 | it 's [been] [noun sg] | 27 |
|
| 6 | it have [been] part | 5 |
|
