| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] prevent [pron] from [verb] | 20 |
|
| 2 | [pers pn] prevent [pron] [prep] [v-ing] | 20 |
|
| 3 | [pers pn] prevent [pers pn] [prep] [verb] | 18 |
|
| 4 | [pers pn] prevented [pron] [prep] [verb] | 9 |
|
| 5 | it prevent [pron] [prep] [verb] | 8 |
|
| 6 | [pers pn] prevent they [prep] [verb] | 5 |
|
| 7 | [pers pn] prevent them [prep] [verb] | 5 |
|
