| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [adv] [be] [vb pp] [conj] | 111 |
|
| 2 | it must [adv] [be] [vb pp] [conj] | 79 |
|
| 3 | it [vb mod] therefore [be] [vb pp] [conj] | 37 |
|
| 4 | it [modal v] therefore [be] [vb pp] [conj] | 37 |
|
| 5 | [pron] must therefore [be] [vb pp] [conj] | 7 |
|
| 6 | it must therefore [be] [vb pp] [conj] | 6 |
|
| 7 | it must therefore [be] [vb pp] [conj] | 6 |
|
| 8 | it must therefore [be] [verb] [conj] | 6 |
|
| 9 | it must therefore [be] [vb pp] [conj] | 6 |
|
