| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [not/n't] [be] [vb pp] that | 29 |
|
| 2 | it must [not/n't] [be] [verb] that | 29 |
|
| 3 | it [modal v] [not/n't] [be] thought that | 17 |
|
| 4 | it must [adv] [be] thought that | 7 |
|
| 5 | it must [not/n't] [be] thought [conj] | 6 |
|
| 6 | [pers pn] must [not/n't] [be] thought that | 6 |
|
| 7 | it must [not/n't] [be] think that | 6 |
|
| 8 | it must [not/n't] [be] thought that | 6 |
|
| 9 | [pron] must [not/n't] [be] thought that | 6 |
|
