| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [vb pp] to ensure [conj] [art] | 60 |
|
| 2 | [modal v] be [vb pp] to ensure [conj] [art] | 60 |
|
| 3 | should be [vb pp] to ensure [conj] [art] | 19 |
|
| 4 | should be [vb pp] to ensure [conj] [art] | 19 |
|
| 5 | must be [vb pp] to ensure [conj] [art] | 18 |
|
| 6 | must be [vb pp] to ensure [conj] [art] | 18 |
|
| 7 | [prep] be [vb pp] to ensure [conj] [art] | 14 |
|
| 8 | to be [vb pp] to ensure [conj] [art] | 14 |
|
| 9 | [prep] be [vb pp] to ensure [conj] [art] | 14 |
|
| 10 | to be [vb pp] to ensure [conj] [art] | 14 |
|
| 11 | will be [vb pp] to ensure [conj] [art] | 12 |
|
| 12 | will be [vb pp] to ensure [conj] [art] | 12 |
|
| 13 | [adv] be [vb pp] to ensure [conj] [art] | 6 |
|
| 14 | [adv] be [vb pp] to ensure [conj] [art] | 5 |
|
| 15 | be [adv] [vb pp] to ensure [conj] [art] | 5 |
|
| 16 | be [adv] [vb pp] to ensure [conj] [art] | 5 |
|
| 17 | be [vb pp] to ensure [conj] [art] [noun] | 62 |
|
| 18 | be [vb pp] to ensure [conj] [art] [noun sg] | 47 |
|
| 19 | be [vb pp] to ensure [conj] [art] [adj] | 20 |
|
| 20 | be [vb pp] to ensure [conj] [art] [adj] | 16 |
|
| 21 | be [vb pp] to ensure [conj] [art] [noun pl] | 13 |
|
