| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must have [verb] [noun] | 118 |
|
| 2 | [pron] must have [vb pp] [noun] | 116 |
|
| 3 | [pron] [modal v] have taken [noun] | 68 |
|
| 4 | [pron] must [verb] taken [noun] | 14 |
|
| 5 | [pron] must have take [noun] | 14 |
|
