| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ensure that all [noun pl] | 151 |
|
| 2 | [adj] that all [noun pl] | 110 |
|
| 3 | [adj] ensure that [noun pl] | 33 |
|
| 4 | [adj] ensure that all | 19 |
|
