SN4 ""

No	Pattern	Freq
1	[conj] it [was/were] the [adv]	64
2	[subord] it [was/were] the [adv]	33
3	[verb] it [was/were] the [adv]	29
4	[coord] it [was/were] the [adv]	24
5	[vb past] it [was/were] the [adv]	20
6	and it [was/were] the [adv]	16
7	and it [was/were] the [adv]	16
8	if it [was/were] the [adv]	15
9	if it [was/were] the [adv]	15
10	say it [was/were] the [adv]	11
11	though it [was/were] the [adv]	10
12	though it [was/were] the [adv]	10
13	[noun] it [was/were] the [adv]	9
14	said it [was/were] the [adv]	9
15	think it [was/were] the [adv]	9
16	but it [was/were] the [adv]	8
17	but it [was/were] the [adv]	8
18	[noun sg] it [was/were] the [adv]	7
19	[that] it [was/were] the [adv]	7
20	that it [was/were] the [adv]	7
21	that it [was/were] the [adv]	7
22	[adv] it [was/were] the [adv]	7
23	thought it [was/were] the [adv]	6
24	[adv] it [was/were] the [adv]	5
25	it [was/were] [adv] the [adv]	47
26	it [was/were] [adv] the [adv]	33
27	it [was/were] [not/n't] the [adv]	14
28	it [was/were] not the [adv]	14
29	it [was/were] [verb] the [adv]	13
30	it [was/were] not the [adv]	11