| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] had previously [be] | 50 |
|
| 2 | than had [adv] [be] | 46 |
|
| 3 | than [verb] previously [be] | 30 |
|
| 4 | than have previously [be] | 30 |
|
| 5 | [subord] had previously [be] | 25 |
|
| 6 | than [vb past] previously [be] | 22 |
|
| 7 | than had previously [be] | 22 |
|
