| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must have at | 23 |
|
| 2 | [noun sg] must have at | 16 |
|
| 3 | [pron] must have at | 13 |
|
| 4 | [pers pn] must have at | 12 |
|
| 5 | [noun prp] must have at | 5 |
|
| 6 | routine must have at | 5 |
|
| 7 | routine must have at | 5 |
|
| 8 | must have [verb] at | 57 |
|
| 9 | must have [vb pp] at | 56 |
|
| 10 | must have been at | 40 |
|
| 11 | must have be at | 40 |
|
| 12 | must have [been] at | 40 |
|
| 13 | must have [be] at | 40 |
|
| 14 | must have looked at | 7 |
|
| 15 | must have look at | 7 |
|
| 16 | must have at least | 37 |
|
| 17 | must have at least | 37 |
|
| 18 | must have at [adv] | 37 |
|
| 19 | must have at [adv] | 37 |
|
