| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [that] [adj] | 6674 |
|
| 2 | to ensure [that] [adj] | 824 |
|
| 3 | [vb pp] to ensure [that] | 521 |
|
| 4 | [vb pp] to ensure [adj] | 92 |
|
