SN4 ""

No	Pattern	Freq
1	[adv] [vb infin] if	2519
2	[not/n't] [vb infin] if	2051
3	not [vb infin] if	1985
4	n't [vb infin] if	1647
5	[adv] know if	1125
6	[adv] [vb infin] if	466
7	not [vb infin] if	338
8	[adv] matter if	184
9	[adv] mind if	146
10	[adv] care if	144
11	only [vb infin] if	122
12	only [vb infin] if	122
13	[adv] worry if	67
14	[adv] no if	62
15	n [vb infin] if	62
16	n [vb infin] if	62
17	even [vb infin] if	45
18	even [vb infin] if	45
19	[adv] remember if	42
20	[adv] apply if	41
21	[adv] work if	40
22	[adv] tell if	39
23	[adv] see if	37
24	really [vb infin] if	29
25	really [vb infin] if	29
26	[adv] occur if	27
27	never [vb infin] if	25
28	never [vb infin] if	25
29	[adv] happen if	24
30	[adv] ask if	24