| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] not prevent [pron] [prep] [verb] | 11 |
|
| 2 | does [not/n't] prevent [pron] [prep] [verb] | 11 |
|
| 3 | [vb -s] [not/n't] prevent [pron] from [verb] | 11 |
|
| 4 | [vb -s] [not/n't] prevent [pron] [prep] [v-ing] | 11 |
|
| 5 | [vb -s] [not/n't] prevent [pers pn] [prep] [verb] | 10 |
|
| 6 | [vb -s] [not/n't] prevent him [prep] [verb] | 5 |
|
| 7 | [vb -s] [not/n't] prevent he [prep] [verb] | 5 |
|
