| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ['s] [noun] [is] [verb] [conj] [art] | 21 |
|
| 2 | ['s] [noun] [is] [to-vb] [conj] [art] | 10 |
|
| 3 | ['s] [noun] [be] to ensure [conj] [art] | 7 |
|
| 4 | [unc] [noun] [is] to ensure [conj] [art] | 6 |
|
| 5 | ['s] [noun] [is] to ensure [conj] [art] | 6 |
|
| 6 | ['s] [noun] [is] ensure [conj] [art] | 6 |
|
