| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to ensure that [det] [noun] | 28 |
|
| 2 | be [vb pp] ensure that [det] [noun] | 26 |
|
| 3 | be [verb] ensure that [det] [noun pl] | 17 |
|
| 4 | be [verb] ensure that [det] [noun] | 16 |
|
| 5 | be [verb] ensure that [det] [noun sg] | 10 |
|
| 6 | be [verb] ensure that all [noun] | 9 |
|
| 7 | be taken ensure that [det] [noun] | 6 |
|
| 8 | is [verb] ensure that [det] [noun] | 6 |
|
| 9 | be take ensure that [det] [noun] | 6 |
|
| 10 | be [verb] ensure that such [noun] | 5 |
|
