| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it must [prep] [be] | 6 |
|
| 2 | [adv] it must [prep] [be] | 5 |
|
| 3 | it must [vb infin] [prep] [be] | 7 |
|
| 4 | it must [verb] [prep] [be] | 7 |
|
| 5 | it must [be] [prep] [be] | 5 |
|
| 6 | it must be [prep] [be] | 5 |
|
| 7 | it must be [prep] [be] | 5 |
|
| 8 | it must [be] [prep] [be] | 5 |
|
| 9 | it must [prep] [noun sg] [be] | 6 |
|
| 10 | it must [prep] [noun] [be] | 6 |
|
| 11 | it must [prep] [be] [art] | 10 |
|
| 12 | it must [prep] [be] [art] | 10 |
|
| 13 | it must [prep] [be] [adj] | 10 |
|
| 14 | it must [prep] [be] a | 8 |
|
| 15 | it must [prep] [be] a | 7 |
|
| 16 | it must [prep] [be] [pron] | 6 |
|
| 17 | it must [prep] [be] [prep] | 6 |
|
| 18 | it must [prep] [be] [prep] | 6 |
|
| 19 | it must [prep] [be] [adv] | 6 |
|
| 20 | it must [prep] [be] [adv] | 5 |
|
| 21 | it must [prep] [be] [pers pn] | 5 |
|
