| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] [pers pn] [prep] [v-ing] | 276 |
|
| 2 | [adv] prevent [pers pn] [prep] [v-ing] | 106 |
|
| 3 | [not/n't] prevent [pron] [prep] [v-ing] | 71 |
|
| 4 | [not/n't] prevent [pers pn] [prep] [v-ing] | 59 |
|
| 5 | [not/n't] prevent [pers pn] [prep] [verb] | 59 |
|
