| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] up | 581 |
|
| 2 | has been [vb pp] up | 520 |
|
| 3 | have been opened up | 24 |
|
| 4 | [verb] been opened up | 24 |
|
| 5 | [vb -s] been opened up | 8 |
|
| 6 | has been open up | 8 |
|
| 7 | has be opened up | 8 |
|
| 8 | has been opened [adv] | 8 |
|
| 9 | has [be] opened up | 8 |
|
| 10 | has been opened [adv prt] | 8 |
|
| 11 | has been opened up | 8 |
|
| 12 | has [been] opened up | 8 |
|
