| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [vb pp] to ensure [that] [adj] [noun pl] | 5 |
|
| 2 | are [verb] to ensure [that] [adj] [noun pl] | 5 |
|
| 3 | [am/are] [verb] to ensure that [adj] [noun pl] | 5 |
|
