SN4 ""

No	Pattern	Freq
1	to see if [pers pn]	808
2	[to-vb] if you	443
3	[to-vb] if they	391
4	[to-vb] if it	308
5	[to-vb] if he	299
6	[to-vb] if i	221
7	[to-vb] if she	173
8	[to-vb] if we	147
9	to ask if [pers pn]	141
10	to know if [pers pn]	139
11	to do if [pers pn]	102
12	to wonder if [pers pn]	72
13	to say if [pers pn]	31
14	to go if [pers pn]	28
15	to decide if [pers pn]	24
16	to tell if [pers pn]	19
17	to come if [pers pn]	14
18	to help if [pers pn]	14
19	to check if [pers pn]	14
20	to remember if [pers pn]	12
21	to complain if [pers pn]	11
22	to hear if [pers pn]	9
23	to think if [pers pn]	9
24	to discover if [pers pn]	9
25	to pay if [pers pn]	8
26	to resign if [pers pn]	8
27	to happen if [pers pn]	8
28	to play if [pers pn]	7
29	to understand if [pers pn]	7
30	to take if [pers pn]	7