SN4 ""

No	Pattern	Freq
1	to prevent [pron] [prep] [v-ing]	140
2	to prevent [pron] from [verb]	139
3	to prevent [pers pn] [prep] [verb]	122
4	to prevent them [prep] [verb]	41
5	to prevent they [prep] [verb]	41
6	to prevent him [prep] [verb]	31
7	to prevent he [prep] [verb]	31
8	to prevent it [prep] [verb]	26
9	to prevent it [prep] [verb]	26
10	to prevent [pn reflx] [prep] [verb]	15
11	to prevent her [prep] [verb]	8
12	to prevent she [prep] [verb]	8
13	to prevent herself [prep] [verb]	7
14	to prevent herself [prep] [verb]	7
15	to prevent [pron] [prep] going	7
16	to prevent [pron] [prep] go	7
17	to prevent himself [prep] [verb]	6
18	to prevent me [prep] [verb]	6
19	to prevent [pron] [prep] become	6
20	to prevent [pron] [prep] becoming	6
21	to prevent himself [prep] [verb]	6
22	to prevent i [prep] [verb]	6
23	to prevent you [prep] [verb]	5
24	to prevent we [prep] [verb]	5
25	to prevent [pron] [prep] fall	5
26	to prevent us [prep] [verb]	5
27	to prevent [pron] [prep] falling	5
28	to prevent you [prep] [verb]	5
29	to prevent [pron] [prep] getting	5
30	to prevent [pron] [prep] get	5