| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be prevented from | 75 |
|
| 2 | was prevented from | 51 |
|
| 3 | is prevented from | 39 |
|
| 4 | been prevented from | 36 |
|
| 5 | are prevented from | 35 |
|
| 6 | were prevented from | 28 |
|
| 7 | being prevented from | 19 |
|
