| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] prevent they [prep] [verb] | 16 |
|
| 2 | [vb mod] prevent they [prep] [verb] | 16 |
|
| 3 | [adv] prevent they [prep] [verb] | 8 |
|
| 4 | not prevent they [prep] [verb] | 6 |
|
| 5 | [not/n't] prevent they [prep] [verb] | 6 |
|
| 6 | not prevent they [prep] [verb] | 6 |
|
| 7 | would prevent they [prep] [verb] | 5 |
|
| 8 | would prevent they [prep] [verb] | 5 |
|
| 9 | prevent they [prep] [verb] [pron] | 5 |
|
