| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] be [vb pp] when | 54 |
|
| 2 | not [be] [vb pp] when | 48 |
|
| 3 | n't [be] [vb pp] when | 6 |
|
| 4 | [not/n't] [be] changed when | 6 |
|
| 5 | [not/n't] [be] used when | 5 |
|
