No | Pattern | Freq | Relations |
---|---|---|---|
1 | to prevent [pron] [prep] [verb] [prep] [noun] | 6 | |
2 | to prevent [pron] [prep] [v-ing] [prep] [noun] | 6 | |
3 | to prevent [pron] from [verb] [prep] [noun] | 6 | |
4 | to prevent [pers pn] [prep] [verb] [prep] [noun] | 6 | |
5 | to prevent [pron] from [verb] [prep] [noun] | 6 |