SN4 ""

No	Pattern	Freq
1	[prep] if [adj]	835
2	as if [adj]	802
3	as if [adj]	802
4	[prep] if [det]	509
5	[prep] if [adj]	286
6	[prep] if this	142
7	[prep] if this	142
8	[prep] if that	123
9	[prep] if that	123
10	[prep] if all	73
11	[prep] if all	73
12	[prep] if some	51
13	[prep] if some	51
14	[prep] if [num]	35
15	[prep] if these	27
16	[prep] if these	27
17	[prep] if each	25
18	[prep] if each	25
19	[prep] if afraid	21
20	[prep] if afraid	21
21	[prep] if one	15
22	[prep] if one	15
23	[prep] if aware	12
24	[prep] if such	12
25	[prep] if those	12
26	[prep] if those	12
27	[prep] if such	12
28	[prep] if aware	12
29	[prep] if uncertain	11
30	[prep] if any	11