SN4 ""

No	Pattern	Freq
1	[adv] if [pers pn] [verb]	7252
2	[adv] if [pers pn] [vb base]	4152
3	[adv] if you [verb]	2778
4	even if [pers pn] [verb]	2409
5	[adv] if [pers pn] [vb past]	2229
6	[adv] if [pers pn] have	1677
7	[adv] if [pers pn] do	1225
8	so if [pers pn] [verb]	1064
9	[adv] if they [verb]	1059
10	[adv] if [pers pn] [vb -s]	865
11	[adv] if we [verb]	845
12	[adv] if i [verb]	784
13	[adv] if it [verb]	766
14	[adv] if he [verb]	663
15	[adv] if [pers pn] do	645
16	[adv] if [pers pn] had	602
17	[adv] if [pers pn] have	506
18	well if [pers pn] [verb]	498
19	[adv] if [pers pn] want	431
20	[adv] if [pers pn] did	424
21	only if [pers pn] [verb]	361
22	[adv] if she [verb]	348
23	especially if [pers pn] [verb]	334
24	now if [pers pn] [verb]	328
25	[adv] if [pers pn] want	306
26	[adv] if [pers pn] 've	271
27	[adv] if [pers pn] get	216
28	[adv] if [pers pn] go	187
29	then if [pers pn] [verb]	182
30	[adv] if [pers pn] does	155