| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | you must then [verb] | 26 |
|
| 2 | you must then [vb infin] | 26 |
|
| 3 | you must then [verb] | 26 |
|
| 4 | you must then decide | 5 |
|
| 5 | you must then decide | 5 |
|
