| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have [verb] [adj] | 503 |
|
| 2 | must have [vb pp] [adj] | 500 |
|
| 3 | [modal v] have taken [adj] | 106 |
|
| 4 | must [verb] taken [adj] | 14 |
|
| 5 | must have take [adj] | 14 |
|
| 6 | must [vb infin] taken [adj] | 14 |
|
| 7 | must have taken [adj] | 14 |
|
