| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [pron] [prep] [verb] | 427 |
|
| 2 | not [vb infin] [pron] [prep] [verb] | 360 |
|
| 3 | not prevent [pron] [prep] [verb] | 71 |
|
| 4 | [adv] prevent [pron] [prep] [verb] | 68 |
|
| 5 | not prevent [pron] [prep] [verb] | 61 |
|
