| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [been] | 11705 |
|
| 2 | it have been | 11705 |
|
| 3 | it has [been] | 5229 |
|
| 4 | it had [been] | 4201 |
|
| 5 | it 's [been] | 2059 |
|
| 6 | it have [been] | 108 |
|
| 7 | it 'd [been] | 42 |
|
| 8 | it to have [been] | 26 |
|
| 9 | it have [been] | 26 |
|
| 10 | it having [been] | 13 |
|
