SN4 ""

No	Pattern	Freq
1	[verb] that it [be] often	24
2	[noun] that it [be] often	14
3	be that it [be] often	12
4	[be] that it [be] often	12
5	[is] that it [be] often	11
6	is that it [be] often	11
7	[noun sg] that it [be] often	11
8	[vb pp] that it [be] often	9
9	[adj] that it [be] often	8
10	[adj] that it [be] often	6
11	[adv] that it [be] often	5
12	[vb -s] that it [be] often	5
13	that it [be] often [adj]	35
14	that it [be] often [adj]	30
15	that it [be] often [adv]	13
16	that it [be] often difficult	12
17	that it [be] often difficult	12
18	that it [be] often [vb pp]	10
19	that it [be] often [verb]	10
20	that it [be] often [adv]	9
21	that it [be] often [art]	7
22	that it [be] often the	7
23	that it [be] often [art]	7
24	that it [be] often the	7