SN4 ""

No	Pattern	Freq
1	[adv] often [verb] [to-vb]	73
2	[adv] often [vb pp] [to-vb]	33
3	[adv] often [vb base] [to-vb]	17
4	[adv] often fail [to-vb]	16
5	so often [verb] [to-vb]	13
6	so often [verb] [to-vb]	13
7	[adv] often [vb -s] [to-vb]	12
8	too often [verb] [to-vb]	11
9	too often [verb] [to-vb]	11
10	most often [verb] [to-vb]	10
11	[adv] often used [to-vb]	10
12	[adv] often use [to-vb]	10
13	[adv] often [vb infin] [to-vb]	10
14	most often [verb] [to-vb]	10
15	very often [verb] [to-vb]	9
16	very often [verb] [to-vb]	9
17	[adv] often seem [to-vb]	8
18	quite often [verb] [to-vb]	6
19	quite often [verb] [to-vb]	6
20	[adv] often fail [to-vb]	6
21	[adv] often [vb past] [to-vb]	6
22	not often [verb] [to-vb]	6
23	[not/n't] often [verb] [to-vb]	6
24	also often [verb] [to-vb]	5
25	more often [verb] [to-vb]	5
26	more often [verb] [to-vb]	5
27	also often [verb] [to-vb]	5
28	[adv] often have [to-vb]	5
29	[adv] often failed [to-vb]	5