| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it had previously [be] | 6 |
|
| 2 | [subord] it had previously [be] | 6 |
|
| 3 | it had previously [be] [verb] | 10 |
|
| 4 | it had previously [be] [vb pp] | 10 |
|
