| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [not/n't] [be] | 814 |
|
| 2 | [not/n't] [be] assume | 106 |
|
| 3 | must [be] assume | 34 |
|
| 4 | must [not/n't] assume | 7 |
|
