SN4 ""

No	Pattern	Freq
1	it be [adv] [adj] that	4550
2	it be [adv] [adj] that	4509
3	it be [adv] [adj] that	3736
4	it is [adv] [adj] that	3236
5	it be not [adj] that	814
6	it be [not/n't] [adj] that	814
7	it be not [adj] that	780
8	it was [adv] [adj] that	759
9	it be [adv] surprising that	715
10	it be [adv] surprising that	715
11	it 's [adv] [adj] that	541
12	it be [adv] clear that	476
13	it be [adv] clear that	473
14	it be also [adj] that	428
15	it be also [adj] that	428
16	it be quite [adj] that	397
17	it be quite [adj] that	397
18	it be [adv] important that	365
19	it be [adv] important that	365
20	it be [adv] likely that	357
21	it be [adv] likely that	356
22	it be [adv] true that	342
23	it be [adv] true that	342
24	it be very [adj] that	326
25	it be very [adj] that	326
26	it be [adv] possible that	323
27	it be [adv] possible that	323
28	it be hardly [adj] that	227
29	it be hardly [adj] that	227
30	it be [adv] unlikely that	192