| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] you must [be] | 31 |
|
| 2 | [vb base] you must be | 31 |
|
| 3 | [vb base] you must [be] | 31 |
|
| 4 | [vb base] you must be | 31 |
|
| 5 | think you must [be] | 9 |
|
| 6 | know you must [be] | 8 |
|
