| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] since been | 60 |
|
| 2 | [verb] long since been | 54 |
|
| 3 | [vb past] [adv] since been | 28 |
|
| 4 | had [adv] since been | 27 |
|
| 5 | has [adv] since been | 15 |
|
| 6 | [vb -s] [adv] since been | 15 |
|
| 7 | [vb base] [adv] since been | 14 |
|
| 8 | have [adv] since been | 13 |
|
| 9 | [verb] never since been | 5 |
|
