| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] to ensure [art] | 38 |
|
| 2 | [coord] to ensure [art] | 26 |
|
| 3 | [conj] to ensure the | 24 |
|
| 4 | [conj] to ensure the | 24 |
|
| 5 | and to ensure [art] | 23 |
|
| 6 | and to ensure [art] | 23 |
|
| 7 | [conj] to ensure a | 13 |
|
| 8 | as to ensure [art] | 12 |
|
| 9 | as to ensure [art] | 12 |
|
| 10 | [subord] to ensure [art] | 12 |
|
| 11 | [conj] to ensure a | 11 |
|
