| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to open up the [noun sg] | 40 |
|
| 2 | to open up the possibility | 6 |
|
| 3 | to open up the possibility | 5 |
|
| 4 | to open up the [noun prp] | 5 |
|
| 5 | to open up the [noun pl] | 5 |
|
