SN4 ""

No	Pattern	Freq
1	[vb pp] if [adj] [noun]	127
2	[vb pp] if [adj] [noun sg]	118
3	[vb pp] if [adj] [noun pl]	102
4	[vb pp] if [det] [noun]	80
5	[vb pp] if any [noun]	17
6	[vb pp] if any [noun]	17
7	[vb pp] if [num] [noun]	15
8	[vb pp] if this [noun]	12
9	[vb pp] if this [noun]	12
10	[vb pp] if some [noun]	8
11	[vb pp] if that [noun]	8
12	[vb pp] if that [noun]	8
13	[vb pp] if some [noun]	8
14	avoided if [adj] [noun]	8
15	required if [adj] [noun]	7
16	[vb pp] if local [noun]	7
17	[vb pp] if local [noun]	7
18	[vb pp] if one [noun]	7
19	[vb pp] if one [noun]	7
20	achieved if [adj] [noun]	6
21	[vb pp] if [adj -er] [noun]	6
22	[vb pp] if [adj] [n mass]	6
23	[vb pp] if each [noun]	6
24	needed if [adj] [noun]	6
25	expected if [adj] [noun]	6
26	[vb pp] if each [noun]	6
27	[vb pp] if more [noun]	5
28	lost if [adj] [noun]	5
29	[vb pp] if new [noun]	5
30	[vb pp] if both [noun]	5