SN4 ""

No	Pattern	Freq
1	[conj] it [was/were] [prep] the	569
2	[subord] it [was/were] [prep] the	321
3	[coord] it [was/were] [prep] the	154
4	as it [was/were] [prep] the	147
5	as it [was/were] [prep] the	147
6	[verb] it [was/were] [prep] the	110
7	[adv] it [was/were] [prep] the	99
8	that it [was/were] [prep] the	94
9	[that] it [was/were] [prep] the	94
10	that it [was/were] [prep] the	94
11	and it [was/were] [prep] the	83
12	and it [was/were] [prep] the	83
13	[adv] it [was/were] [prep] the	80
14	but it [was/were] [prep] the	69
15	but it [was/were] [prep] the	69
16	[noun] it [was/were] [prep] the	68
17	[vb past] it [was/were] [prep] the	60
18	[noun sg] it [was/were] [prep] the	51
19	than it [was/were] [prep] the	45
20	than it [was/were] [prep] the	45
21	[pron] it [was/were] [prep] the	42
22	[adj] it [was/were] [prep] the	41
23	if it [was/were] [prep] the	34
24	if it [was/were] [prep] the	34
25	say it [was/were] [prep] the	29
26	[Wh det] it [was/were] [prep] the	29
27	[adj] it [was/were] [prep] the	27
28	think it [was/were] [prep] the	25
29	what it [was/were] [prep] the	24
30	what it [was/were] [prep] the	24