| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it has previously | 7 |
|
| 2 | [subord] it has previously | 6 |
|
| 3 | it has be previously | 7 |
|
| 4 | it has been previously | 7 |
|
| 5 | it has [be] previously | 7 |
|
| 6 | it has [been] previously | 7 |
|
| 7 | it has previously [been] | 13 |
|
| 8 | it has previously been | 13 |
|
| 9 | it has previously [be] | 13 |
|
| 10 | it has previously be | 13 |
|
| 11 | it has previously [vb pp] | 6 |
|
| 12 | it has previously [verb] | 6 |
|
