| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has [adv] [verb] | 1470 |
|
| 2 | it has [adv] [verb] | 1020 |
|
| 3 | [pron] has previously [verb] | 29 |
|
| 4 | it [verb] previously [verb] | 23 |
|
| 5 | it have previously [verb] | 23 |
|
| 6 | it has previously [verb] | 6 |
|
| 7 | it [vb -s] previously [verb] | 6 |
|
