SN4 ""

No	Pattern	Freq
1	be [adv] often [verb] [conj]	51
2	[be] [adv] often [vb pp] [conj]	49
3	[be] [adv] often [verb] [subord]	34
4	[is] [adv] often [verb] [conj]	23
5	is [adv] often [verb] [conj]	23
6	[am/are] [adv] often [verb] [conj]	18
7	[be] [adv] often [verb] as	17
8	[be] [adv] often [verb] as	17
9	are [adv] often [verb] [conj]	16
10	[be] [adv] often [verb] [coord]	11
11	[be] more often [verb] [conj]	8
12	[be] [adv] often [verb] and	8
13	[was/were] [adv] often [verb] [conj]	8
14	[be] [adv] often [verb] and	8
15	[be] most often [verb] [conj]	8
16	[be] [adv] often [verb] than	7
17	[be] too often [verb] [conj]	7
18	[be] [adv] often use [conj]	7
19	[be] [adv] often [verb] than	7
20	[be] [adv] often used [conj]	7
21	[be] [adv] often [verb] that	6
22	[be] so often [verb] [conj]	6
23	[be] [adv] often [verb] [that]	6
24	[be] [adv] often [verb] that	6
25	[be] [adv] often [verb] when	5
26	was [adv] often [verb] [conj]	5
27	[be] [adv] often [verb] when	5
28	[be] less often [verb] [conj]	5