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