| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [verb] [pron] [prep] [v-ing] | 595 |
|
| 2 | [conj] [vb past] [pron] [prep] [v-ing] | 202 |
|
| 3 | [conj] prevent [pron] [prep] [v-ing] | 77 |
|
| 4 | [conj] prevented [pron] [prep] [verb] | 17 |
|
