SN4 ""

No	Pattern	Freq
1	[adv] [vb pp] if	563
2	[adv] [vb infin] if	466
3	[adv] [vb base] if	266
4	only [verb] if	229
5	[adv] wonder if	215
6	[adv] [vb past] if	199
7	[adv] see if	197
8	just [verb] if	180
9	[adv] [to-vb] if	166
10	[adv] [vb -s] if	121
11	[adv] know if	108
12	[adv] wondered if	104
13	[adv] to see if	104
14	[adv] ask if	100
15	[adv] [v-ing] if	98
16	also [verb] if	79
17	[adv] know if	70
18	never [verb] if	67
19	even [verb] if	66
20	always [verb] if	53
21	[adv] see if	52
22	then [verb] if	52
23	[adv] say if	46
24	sometimes [verb] if	45
25	[adv] wonder if	43
26	better [verb] if	42
27	really [verb] if	40
28	[adv] wondering if	40
29	often [verb] if	38
30	greatly [verb] if	36