SN4 ""

No	Pattern	Freq
1	[conj] it is [adj] that a	62
2	[coord] it is [adj] that a	29
3	[subord] it is [adj] that a	26
4	and it is [adj] that a	18
5	and it is [adj] that a	18
6	[noun] it is [adj] that a	17
7	[adv] it is [adj] that a	15
8	[noun sg] it is [adj] that a	11
9	but it is [adj] that a	10
10	but it is [adj] that a	10
11	[adv] it is [adj] that a	9
12	[that] it is [adj] that a	7
13	[verb] it is [adj] that a	7
14	that it is [adj] that a	7
15	that it is [adj] that a	7
16	if it is [adj] that a	6
17	if it is [adj] that a	6
18	although it is [adj] that a	5
19	[Wh adv] it is [adj] that a	5
20	although it is [adj] that a	5
21	[noun pl] it is [adj] that a	5
22	it is [adv] [adj] that a	122
23	it is [adv] [adj] that a	91
24	it is not [adj] that a	31
25	it is not [adj] that a	31
26	it is [not/n't] [adj] that a	31
27	it is more [adj] that a	10
28	it is more [adj] that a	10
29	it is quite [adj] that a	9
30	it is quite [adj] that a	9