| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ['s] [noun] [is] [that] [art] | 92 |
|
| 2 | [noun] [is] to ensure [that] [art] | 62 |
|
| 3 | ['s] [noun] [is] to ensure [that] | 11 |
|
| 4 | ['s] [noun] to ensure [that] [art] | 9 |
|
