SN4 ""

No	Pattern	Freq
1	it is [adv] often [vb pp]	38
2	it is [adv] often [vb pp]	32
3	it is most often [vb pp]	7
4	it is most often [vb pp]	7
5	it is [not/n't] often [vb pp]	6
6	it is so often [vb pp]	6
7	it is not often [vb pp]	6
8	it is not often [vb pp]	6
9	it is so often [vb pp]	6
10	it is more often [vb pp]	5
11	it is more often [vb pp]	5
12	[conj] it is often [vb pp]	75
13	[subord] it is often [vb pp]	39
14	[coord] it is often [vb pp]	27
15	as it is often [vb pp]	21
16	as it is often [vb pp]	21
17	[noun] it is often [vb pp]	20
18	[noun sg] it is often [vb pp]	18
19	and it is often [vb pp]	17
20	and it is often [vb pp]	17
21	but it is often [vb pp]	10
22	but it is often [vb pp]	10
23	[that] it is often [vb pp]	9
24	that it is often [vb pp]	9
25	that it is often [vb pp]	9
26	[adv] it is often [vb pp]	8
27	although it is often [vb pp]	7
28	although it is often [vb pp]	7
29	it is often [adv] [vb pp]	11
30	it is often [not/n't] [vb pp]	6