| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] have since been | 13 |
|
| 2 | [adj] have since been | 10 |
|
| 3 | [adj] has since been | 10 |
|
| 4 | this have since been | 7 |
|
| 5 | this have since been | 7 |
|
| 6 | [num] have since been | 5 |
|
