| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [vb -s] often [vb pp] | 5 |
|
| 2 | it [vb -s] often [be] [vb pp] | 60 |
|
| 3 | it [vb -s] often be [vb pp] | 60 |
|
| 4 | it [vb -s] often been [vb pp] | 60 |
|
| 5 | it [vb -s] often [been] [vb pp] | 60 |
|
