SN4 ""

No	Pattern	Freq
1	[conj] it is [adj] that [ex0]	35
2	[noun] it is [adj] that [ex0]	22
3	[coord] it is [adj] that [ex0]	18
4	[noun sg] it is [adj] that [ex0]	17
5	[adv] it is [adj] that [ex0]	16
6	[adv] it is [adj] that [ex0]	15
7	[subord] it is [adj] that [ex0]	15
8	but it is [adj] that [ex0]	11
9	but it is [adj] that [ex0]	11
10	yet it is [adj] that [ex0]	9
11	yet it is [adj] that [ex0]	9
12	[adj] it is [adj] that [ex0]	7
13	[verb] it is [adj] that [ex0]	7
14	and it is [adj] that [ex0]	6
15	and it is [adj] that [ex0]	6
16	it is [adv] [adj] that [ex0]	115
17	it is [adv] [adj] that [ex0]	89
18	it is not [adj] that [ex0]	26
19	it is [not/n't] [adj] that [ex0]	26
20	it is not [adj] that [ex0]	24
21	it is also [adj] that [ex0]	13
22	it is also [adj] that [ex0]	13
23	it is quite [adj] that [ex0]	12
24	it is quite [adj] that [ex0]	12
25	it is hardly [adj] that [ex0]	8
26	it is hardly [adj] that [ex0]	8
27	it is [adj] [verb] that [ex0]	81
28	it is [adj] [to-vb] that [ex0]	81
29	it is [adj] note that [ex0]	11
30	it is [adj] to note that [ex0]	11