| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [verb] [pron] [prep] [verb] | 192 |
|
| 2 | [adv] prevent [pron] [prep] [verb] | 125 |
|
| 3 | [not/n't] prevent [pron] [prep] [verb] | 71 |
|
| 4 | not prevent [pron] [prep] [verb] | 71 |
|
| 5 | n't prevent [pron] [prep] [verb] | 17 |
|
