| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prevented [pron] [prep] [v-ing] | 49 |
|
| 2 | [not/n't] [pron] [prep] [v-ing] | 33 |
|
| 3 | [not/n't] prevented [prep] [v-ing] | 11 |
|
| 4 | [not/n't] prevented [pron] [prep] | 7 |
|
