| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when not [prep] [noun sg] | 36 |
|
| 2 | when [not/n't] [prep] [noun sg] | 36 |
|
| 3 | when [not/n't] in [noun sg] | 33 |
|
| 4 | when [not/n't] in [noun sg] | 33 |
|
| 5 | when [not/n't] [prep] use | 30 |
|
