| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this can not be | 181 |
|
| 2 | this may not be | 130 |
|
| 3 | this should not be | 99 |
|
| 4 | this will not be | 98 |
|
| 5 | this would not be | 75 |
|
| 6 | this need not be | 45 |
|
| 7 | this could not be | 39 |
|
| 8 | this might not be | 24 |
|
| 9 | this must not be | 16 |
|
