| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [that] [adj] [noun pl] | 281 |
|
| 2 | [verb] to ensure [that] [adj] [noun pl] | 84 |
|
| 3 | is to ensure [that] [adj] [noun pl] | 20 |
|
| 4 | is [verb] to ensure [that] [adj] | 14 |
|
| 5 | is [verb] to ensure [that] [noun pl] | 11 |
|
