| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it impossible for they [to-vb] | 15 |
|
| 2 | make it impossible for they [verb] | 15 |
|
| 3 | [verb] it impossible for them [verb] | 15 |
|
| 4 | [verb] it impossible for they [verb] | 15 |
|
| 5 | [vb past] it impossible for they [verb] | 5 |
|
| 6 | made it impossible for they [verb] | 5 |
|
