| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must provide either the | 11 |
|
| 2 | must provide [adv] the | 11 |
|
| 3 | must provide [adv] the | 11 |
|
| 4 | must provide either the | 11 |
|
| 5 | must provide [adv] the | 11 |
|
