SN4 ""

No	Pattern	Freq
1	[conj] [adv] it [was/were] for	7
2	[coord] [adv] it [was/were] for	6
3	and [adv] it [was/were] for	5
4	and [adv] it [was/were] for	5
5	[adv] [adj] it [was/were] for	42
6	[adv] [adj] it [was/were] for	42
7	[adv] [conj] it [was/were] for	16
8	[adv] difficult it [was/were] for	9
9	[adv] [subord] it [was/were] for	9
10	[adv] as it [was/were] for	9
11	[adv] as it [was/were] for	9
12	[adv] difficult it [was/were] for	9
13	[adv] important it [was/were] for	8
14	[adv] important it [was/were] for	8
15	[adv] [verb] it [was/were] for	6
16	[adv] it [was/were] [adj] for	47
17	[adv] it [was/were] [adj] for	43
18	[adv] it [was/were] [noun] for	30
19	[adv] it [was/were] [noun sg] for	29
20	[adv] it [was/were] time for	27
21	[adv] it [was/were] time for	27
22	[adv] it [was/were] [verb] for	23
23	[adv] it [was/were] [vb pp] for	19
24	[adv] it [was/were] possible for	11
25	[adv] it [was/were] possible for	11
26	[adv] it [was/were] [adv] for	9
27	[adv] it [was/were] necessary for	5
28	[adv] it [was/were] n't for	5
29	[adv] it [was/were] necessary for	5
30	[adv] it [was/were] not for	5