| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must be [verb] at [art] | 27 |
|
| 2 | [pron] must [be] [verb] at [art] | 27 |
|
| 3 | [pron] must [be] [vb pp] at [art] | 23 |
|
| 4 | [pron] must [be] [verb] at the | 22 |
|
| 5 | [pers pn] must [be] [verb] at [art] | 17 |
|
| 6 | it must [be] [verb] at [art] | 11 |
|
| 7 | it must [be] [verb] at [art] | 11 |
|
| 8 | [Wh det] must [be] [verb] at [art] | 10 |
|
| 9 | which must [be] [verb] at [art] | 9 |
|
| 10 | which must [be] [verb] at [art] | 9 |
|
