| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has been [verb] [prep] a | 144 |
|
| 2 | it has been know [prep] [art] | 10 |
|
| 3 | it has been know [prep] [art] | 10 |
|
| 4 | it have been know [prep] a | 7 |
|
| 5 | it [verb] been know [prep] a | 7 |
|
| 6 | it [vb -s] been know [prep] a | 6 |
|
| 7 | it has been know [prep] a | 5 |
|
| 8 | it has been know [prep] a | 5 |
|
| 9 | it has [been] know [prep] a | 5 |
|
| 10 | it has [be] know [prep] a | 5 |
|
| 11 | [pron] has been know [prep] a | 5 |
|
| 12 | [pers pn] has been know [prep] a | 5 |
|
| 13 | it has be know [prep] a | 5 |
|
| 14 | it has been know [prep] a | 5 |
|
