SN4 ""

No	Pattern	Freq
1	[conj] if [noun sg]	668
2	[noun] if [noun sg]	539
3	[verb] if [noun sg]	503
4	[adv] if [noun sg]	430
5	[adv] if [noun sg]	401
6	[noun sg] if [noun sg]	380
7	[coord] if [noun sg]	371
8	[that] if [noun sg]	242
9	that if [noun sg]	242
10	that if [noun sg]	242
11	[adj] if [noun sg]	239
12	[adj] if [noun sg]	191
13	[vb pp] if [noun sg]	190
14	[prep] if [noun sg]	183
15	[prep] if [noun sg]	183
16	and if [noun sg]	175
17	and if [noun sg]	175
18	even if [noun sg]	175
19	even if [noun sg]	175
20	as if [noun sg]	173
21	as if [noun sg]	173
22	but if [noun sg]	149
23	but if [noun sg]	149
24	[noun pl] if [noun sg]	123
25	[vb infin] if [noun sg]	116
26	[to-vb] if [noun sg]	81
27	[vb base] if [noun sg]	56
28	[subord] if [noun sg]	55
29	see if [noun sg]	52
30	only if [noun sg]	52