| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] to ensure [that] [art] [noun sg] | 24 |
|
| 2 | [vb infin] to ensure [conj] [art] [noun sg] | 24 |
|
| 3 | [vb infin] to ensure that [art] [noun sg] | 24 |
|
| 4 | [vb infin] to ensure that [art] [noun sg] | 24 |
|
| 5 | [vb infin] to ensure [conj] the [noun sg] | 23 |
|
| 6 | [vb infin] to ensure [conj] the [noun sg] | 23 |
|
| 7 | try to ensure [conj] [art] [noun sg] | 5 |
|
| 8 | wish to ensure [conj] [art] [noun sg] | 5 |
|
