| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] [been] [prep] [noun] | 319 |
|
| 2 | [verb] previously [been] [prep] [noun] | 7 |
|
| 3 | [vb past] previously [be] [prep] [noun] | 6 |
|
