| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had previously [be] | 19 |
|
| 2 | it had previously [be] | 19 |
|
| 3 | it had previously [been] | 19 |
|
| 4 | it had previously be | 19 |
|
| 5 | it had previously been | 19 |
|
