| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a. you must provide the | 117 |
|
| 2 | a. you must [verb] the | 117 |
|
| 3 | a. you must provide the | 117 |
|
| 4 | a. you must [vb infin] the | 117 |
|
