SN4 ""

No	Pattern	Freq
1	[adj] [noun] it is often [verb]	10
2	[adj] [noun] it is often [verb]	8
3	[prep] [noun] it is often [verb]	6
4	[prep] [noun] it is often [verb]	6
5	in [noun] it is often [verb]	5
6	in [noun] it is often [verb]	5
7	[noun] [conj] it is often [verb]	17
8	[noun] [subord] it is often [verb]	9
9	[noun] as it is often [verb]	8
10	[noun] as it is often [verb]	8
11	[noun] and it is often [verb]	6
12	[noun] [coord] it is often [verb]	6
13	[noun] and it is often [verb]	6
14	[noun] it is often [adj] [verb]	27
15	[noun] it is often [adj] [verb]	26
16	[noun] it is often possible [verb]	7
17	[noun] it is often possible [verb]	7
18	[noun] it is often difficult [verb]	5
19	[noun] it is often difficult [verb]	5
20	[noun] it is often [verb] [that]	6
21	[noun] it is often [verb] [conj]	6
22	[noun] it is often [verb] that	6
23	[noun] it is often [verb] [prep]	6
24	[noun] it is often [verb] that	6
25	[noun] it is often [verb] [prep]	6