| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] is [to-vb] that [noun pl] | 28 |
|
| 2 | [noun] is to ensure that [noun pl] | 20 |
|
| 3 | [noun pl] is [to-vb] that [noun pl] | 7 |
|
