| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] [adj] [noun] | 1270 |
|
| 2 | to ensure [conj] [adj] [noun] | 577 |
|
| 3 | is to ensure [conj] [noun] | 42 |
|
| 4 | is to ensure [conj] [adj] | 38 |
|
| 5 | is to ensure [adj] [noun] | 9 |
|
