SN4 ""

No	Pattern	Freq
1	it is often [verb] that [art]	44
2	it is often [verb] that [art]	44
3	it is often [verb] that [noun]	42
4	it is often [verb] that the	37
5	it is often [verb] that the	37
6	it is often [verb] that [adj]	26
7	it is often [verb] that [pron]	22
8	it is often [verb] that [noun pl]	17
9	it is often [verb] that [noun sg]	14
10	it is often [verb] that [det]	13
11	it is often [verb] that [pers pn]	12
12	it is often [verb] that [adj]	10
13	it is often [verb] that [noun prp]	8
14	it is often [verb] that [conj]	7
15	it is often [verb] that [subord]	7
16	it is often [verb] that [ex0]	6
17	it is often [verb] that a	6
18	it is often [verb] that there	6
19	it is often [verb] that there	6
20	it is often [verb] that a	5
21	[conj] it is often [verb] that	14
22	[coord] it is often [verb] that	8
23	[subord] it is often [verb] that	6
24	[noun] it is often [verb] that	6
25	and it is often [verb] that	5
26	[noun sg] it is often [verb] that	5
27	and it is often [verb] that	5
28	it is [adv] often [verb] that	5
29	it is often [verb] [adv prt] that	6
30	it is often [verb] [adv] that	6