| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] | 39651 |
|
| 2 | has [adv] | 29573 |
|
| 3 | [verb] previously | 2048 |
|
| 4 | have previously | 1422 |
|
| 5 | [vb -s] previously | 220 |
|
| 6 | has previously | 197 |
|
