| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | you must have [vb pp] [art] | 61 |
|
| 2 | you must have [vb pp] [art] | 57 |
|
| 3 | you must have [vb pp] a | 31 |
|
| 4 | you must have [vb pp] the | 25 |
|
| 5 | you must have had [art] | 15 |
|
| 6 | you must have got [art] | 6 |
|
| 7 | you must have seen [art] | 6 |
|
| 8 | you must have [vb pp] an | 5 |
|
