| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] they [prep] [verb] | 884 |
|
| 2 | prevent they [prep] [verb] | 170 |
|
| 3 | prevents [pron] [prep] [verb] | 71 |
|
| 4 | [vb -s] they [prep] [verb] | 70 |
|
| 5 | prevents they [prep] [verb] | 19 |
|
