SN4 ""

No	Pattern	Freq
1	it was [verb] that [adj] [noun]	451
2	it was [vb pp] that [adj] [noun]	448
3	it was [adj] that [adj] [noun]	106
4	it was [adj] that [adj] [noun]	106
5	it was find that [adj] [noun]	35
6	it was found that [adj] [noun]	35
7	it was reported that [adj] [noun]	33
8	it was report that [adj] [noun]	33
9	it was clear that [adj] [noun]	30
10	it was clear that [adj] [noun]	30
11	it was felt that [adj] [noun]	28
12	it was feel that [adj] [noun]	28
13	it was suggested that [adj] [noun]	26
14	it was suggest that [adj] [noun]	26
15	it was hold that [adj] [noun]	24
16	it was held that [adj] [noun]	24
17	it was agreed that [adj] [noun]	24
18	it was agree that [adj] [noun]	24
19	it was argued that [adj] [noun]	18
20	it was argue that [adj] [noun]	18
21	it was estimated that [adj] [noun]	15
22	it was estimate that [adj] [noun]	15
23	it was announce that [adj] [noun]	14
24	it was announced that [adj] [noun]	14
25	it was think that [adj] [noun]	14
26	it was thought that [adj] [noun]	14
27	it was assumed that [adj] [noun]	11
28	it was assume that [adj] [noun]	11
29	it was discovered that [adj] [noun]	10
30	it was decided that [adj] [noun]	10