| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which can not be | 361 |
|
| 2 | which could not be | 147 |
|
| 3 | which may not be | 88 |
|
| 4 | which would not be | 73 |
|
| 5 | which will not be | 48 |
|
| 6 | which should not be | 44 |
|
| 7 | which must not be | 18 |
|
| 8 | which might not be | 14 |
|
| 9 | which need not be | 14 |
|
