SN4 ""

No	Pattern	Freq
1	it be [prep] that [noun]	252
2	it [be] [prep] that [noun]	252
3	it [be] [prep] that [noun sg]	246
4	it [was/were] [prep] that [noun]	135
5	it was [prep] that [noun]	133
6	it [is] [prep] that [noun]	113
7	it is [prep] that [noun]	61
8	it [be] at that [noun]	56
9	it [be] at that [noun]	56
10	it 's [prep] that [noun]	52
11	it [be] in that [noun]	47
12	it [be] in that [noun]	47
13	it [be] on that [noun]	28
14	it [be] on that [noun]	28
15	it [be] for that [noun]	24
16	it [be] for that [noun]	24
17	it [be] [prep] that time	20
18	it [be] [prep] that moment	20
19	it [be] [prep] that time	20
20	it [be] [prep] that moment	20
21	it [be] from that [noun]	19
22	it [be] [prep] that reason	19
23	it [be] from that [noun]	19
24	it [be] [prep] that reason	19
25	it [be] like that [noun]	16
26	it [be] like that [noun]	16
27	it [be] [prep] that point	12
28	it [be] [prep] that point	12
29	it [be] about that [noun]	10
30	it [be] about that [noun]	10