| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have never [be] [vb pp] | 850 |
|
| 2 | have never [vb pp] before | 318 |
|
| 3 | have [be] [vb pp] before | 126 |
|
| 4 | never [be] [vb pp] before | 53 |
|
| 5 | have never [be] before | 20 |
|
