| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been [vb pp] for [det] | 29 |
|
| 2 | it have [been] [vb pp] for [det] | 29 |
|
| 3 | it [vb -s] [been] [vb pp] for [det] | 23 |
|
| 4 | it has [been] [vb pp] for [det] | 22 |
|
| 5 | it [verb] [been] [vb pp] for some | 16 |
|
| 6 | it [verb] [been] known for [det] | 14 |
|
| 7 | it [verb] [been] [vb pp] for many | 10 |
|
| 8 | it [vb past] [been] [vb pp] for [det] | 6 |
|
| 9 | it had [been] [vb pp] for [det] | 6 |
|
