SN4 ""

No	Pattern	Freq
1	[verb] if [pers pn] know	178
2	[noun] if [pers pn] know	150
3	[adv] if [pers pn] know	139
4	[adv] if [pers pn] know	116
5	[conj] if [pers pn] know	111
6	[noun sg] if [pers pn] know	110
7	[prep] if [pers pn] know	101
8	[prep] if [pers pn] know	101
9	[pron] if [pers pn] know	101
10	as if [pers pn] know	97
11	as if [pers pn] know	97
12	[pers pn] if [pers pn] know	95
13	[adj] if [pers pn] know	80
14	[coord] if [pers pn] know	68
15	[adj] if [pers pn] know	62
16	[vb infin] if [pers pn] know	58
17	[vb base] if [pers pn] know	36
18	even if [pers pn] know	36
19	even if [pers pn] know	36
20	and if [pers pn] know	32
21	and if [pers pn] know	32
22	know if [pers pn] know	28
23	but if [pers pn] know	26
24	that if [pers pn] know	26
25	that if [pers pn] know	26
26	[that] if [pers pn] know	26
27	but if [pers pn] know	26
28	wonder if [pers pn] know	26
29	know if [pers pn] know	24
30	i if [pers pn] know	22