| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [prep] [det] [noun] [adv] | 50 |
|
| 2 | been [prep] [adj] [noun] before | 23 |
|
| 3 | [be] [prep] [det] [noun] before | 17 |
|
| 4 | [been] [prep] [det] [noun] before | 17 |
|
| 5 | be [prep] [det] [noun] before | 17 |
|
