| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to ensure that [adj] [noun] | 160 |
|
| 2 | need [verb] that [adj] [noun] | 26 |
|
| 3 | need [to-vb] that [adj] [noun] | 25 |
|
| 4 | [vb base] to ensure that [adj] [noun] | 21 |
|
| 5 | need to ensure that [adj] [noun] | 17 |
|
| 6 | need ensure that [adj] [noun] | 10 |
|
| 7 | need to ensure [conj] [adj] [noun] | 10 |
|
