SN4 ""

No	Pattern	Freq
1	[verb] [adv] if	2049
2	[vb infin] [adv] if	582
3	[vb pp] [adv] if	529
4	[verb] even if	329
5	[verb] only if	307
6	[vb base] [adv] if	283
7	[to-vb] [adv] if	234
8	[vb past] [adv] if	164
9	do [adv] if	149
10	[v-ing] [adv] if	135
11	[vb -s] [adv] if	122
12	[verb] so if	121
13	[verb] well if	119
14	say [adv] if	83
15	think [adv] if	77
16	go [adv] if	68
17	work [adv] if	68
18	do [adv] if	63
19	wonder [adv] if	61
20	[verb] away if	50
21	[verb] now if	49
22	know [adv] if	48
23	[verb] better if	44
24	said [adv] if	43
25	to do [adv] if	42
26	mean [adv] if	40
27	[verb] more if	38
28	[verb] again if	37
29	go [adv] if	36
30	wondered [adv] if	36