| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [verb] [conj] [art] [noun] is | 159 |
|
| 2 | [prep] [v-ing] [conj] [art] [noun] is | 150 |
|
| 3 | [prep] ensuring [conj] [art] [noun] be | 35 |
|
| 4 | [prep] ensuring [conj] [art] [noun] [be] | 35 |
|
| 5 | [prep] ensure [conj] [art] [noun] is | 20 |
|
| 6 | [prep] ensuring [conj] [art] [noun] is | 20 |
|
| 7 | [prep] ensuring [conj] [art] [noun] [is] | 20 |
|
