| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] is [adv] [vb pp] [verb] that | 13 |
|
| 2 | [noun] is [adv] [vb pp] [to-vb] that | 12 |
|
| 3 | [noun] is [adv] [vb pp] ensure that | 8 |
|
| 4 | [noun] is [adv] [vb pp] to ensure that | 7 |
|
