SN4 ""

No	Pattern	Freq
1	[adv] prevent [adj]	61
2	[adv] prevent [adj]	29
3	[adv] to prevent [adj]	29
4	[not/n't] prevent [adj]	26
5	not prevent [adj]	26
6	not prevent [adj]	23
7	[adv] prevent [adj]	15
8	[adv] prevent other	9
9	[adv] preventing [adj]	8
10	enough prevent [adj]	6
11	enough prevent [adj]	6
12	also prevent [adj]	6
13	[adv] prevented [adj]	6
14	also prevent [adj]	6
15	thus prevent [adj]	5
16	[adv] prevents [adj]	5
17	thus prevent [adj]	5
18	[adv prt] prevent [adj]	5