| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [verb] for [det] | 35 |
|
| 2 | it have [been] [verb] for [det] | 35 |
|
| 3 | it have [been] [vb pp] for [det] | 29 |
|
| 4 | it has [been] [verb] for [det] | 24 |
|
| 5 | it have [been] [verb] for some | 17 |
|
| 6 | it have [been] known for [det] | 14 |
|
| 7 | it have [been] know for [det] | 14 |
|
| 8 | it have [been] [verb] for many | 12 |
|
| 9 | it had [been] [verb] for [det] | 9 |
|
| 10 | it have [been] [v-ing] for [det] | 6 |
|
