SN4 ""

No	Pattern	Freq
1	[conj] it [was/were] [adv] that	123
2	[coord] it [was/were] [adv] that	83
3	and it [was/were] [adv] that	78
4	and it [was/were] [adv] that	78
5	[subord] it [was/were] [adv] that	32
6	[adv] it [was/were] [adv] that	23
7	[adv] it [was/were] [adv] that	21
8	[verb] it [was/were] [adv] that	13
9	perhaps it [was/were] [adv] that	12
10	perhaps it [was/were] [adv] that	12
11	for it [was/were] [adv] that	11
12	for it [was/were] [adv] that	11
13	that it [was/were] [adv] that	8
14	that it [was/were] [adv] that	8
15	[that] it [was/were] [adv] that	8
16	if it [was/were] [adv] that	7
17	[vb base] it [was/were] [adv] that	7
18	if it [was/were] [adv] that	7
19	because it [was/were] [adv] that	6
20	think it [was/were] [adv] that	6
21	because it [was/were] [adv] that	6
22	but it [was/were] [adv] that	5
23	but it [was/were] [adv] that	5
24	[adj] it [was/were] [adv] that	5
25	it [was/were] [adv] [adv] that	158
26	it [was/were] [verb] [adv] that	132
27	it [was/were] [vb pp] [adv] that	131
28	it [was/were] [adv] [adv] that	90
29	it [was/were] only [adv] that	68
30	it [was/were] only [adv] that	68