SN4 ""

No	Pattern	Freq
1	[conj] it [was/were] the	1716
2	[coord] it [was/were] the	632
3	[subord] it [was/were] the	605
4	[verb] it [was/were] the	566
5	that it [was/were] the	479
6	that it [was/were] the	479
7	[that] it [was/were] the	479
8	[adv] it [was/were] the	434
9	[adv] it [was/were] the	398
10	[noun] it [was/were] the	363
11	but it [was/were] the	361
12	but it [was/were] the	361
13	[vb past] it [was/were] the	297
14	and it [was/were] the	268
15	and it [was/were] the	268
16	[noun sg] it [was/were] the	226
17	think it [was/were] the	198
18	if it [was/were] the	165
19	if it [was/were] the	165
20	[vb base] it [was/were] the	134
21	because it [was/were] the	132
22	because it [was/were] the	132
23	say it [was/were] the	124
24	[adj] it [was/were] the	113
25	[prep] it [was/were] the	92
26	[prep] it [was/were] the	92
27	said it [was/were] the	89
28	perhaps it [was/were] the	83
29	perhaps it [was/were] the	83
30	thought it [was/were] the	83