| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [noun] [is] to ensure [that] [art] | 6 |
|
| 2 | ['s] [noun] is to ensure [that] [art] | 6 |
|
| 3 | ['s] [noun] [is] to ensure that [art] | 6 |
|
| 4 | ['s] [noun sg] [is] to ensure [that] [art] | 5 |
|
