SN4 ""

No	Pattern	Freq
1	[noun] [conj] it is [adj] that	245
2	[noun sg] [conj] it is [adj] that	157
3	[verb] [conj] it is [adj] that	142
4	[noun pl] [conj] it is [adj] that	71
5	[adv] [conj] it is [adj] that	57
6	[adv] [conj] it is [adj] that	56
7	[adj] [conj] it is [adj] that	52
8	[vb pp] [conj] it is [adj] that	45
9	[conj] [conj] it is [adj] that	41
10	[adj] [conj] it is [adj] that	34
11	[vb base] [conj] it is [adj] that	34
12	[coord] [conj] it is [adj] that	32
13	and [conj] it is [adj] that	26
14	and [conj] it is [adj] that	26
15	[vb -s] [conj] it is [adj] that	26
16	[vb infin] [conj] it is [adj] that	18
17	[pron] [conj] it is [adj] that	18
18	[noun prp] [conj] it is [adj] that	15
19	believe [conj] it is [adj] that	14
20	[pers pn] [conj] it is [adj] that	13
21	[to-vb] [conj] it is [adj] that	13
22	even [conj] it is [adj] that	12
23	even [conj] it is [adj] that	12
24	say [conj] it is [adj] that	11
25	agree [conj] it is [adj] that	11
26	[num] [conj] it is [adj] that	11
27	believe [conj] it is [adj] that	8
28	[no cls] [conj] it is [adj] that	7
29	[unc] [conj] it is [adj] that	7
30	[det] [conj] it is [adj] that	7