SN4 ""

No	Pattern	Freq
1	it be [prep] the [noun]	3234
2	it [be] [prep] the [noun sg]	2656
3	it [is] [prep] the [noun]	1948
4	it [was/were] [prep] the [noun]	1241
5	it was [prep] the [noun]	1218
6	it is [prep] the [noun]	1065
7	it [be] in the [noun]	1023
8	it 's [prep] the [noun]	883
9	it [be] on the [noun]	450
10	it [be] [prep] the [noun pl]	384
11	it [be] for the [noun]	249
12	it [be] at the [noun]	244
13	it [be] like the [noun]	167
14	it [be] [prep] the [noun prp]	155
15	it [be] to the [noun]	131
16	it [be] about the [noun]	125
17	it [be] from the [noun]	106
18	it [be] with the [noun]	73
19	it [be] against the [noun]	70
20	it [be] [prep] the interest	64
21	it [be] [prep] the end	57
22	it [be] [prep] the end	57
23	it [be] during the [noun]	51
24	it [be] [prep] the interests	49
25	it [be] [prep] the time	48
26	it [be] worth the [noun]	47
27	it [be] [prep] the time	47
28	it [be] within the [noun]	45
29	it [be] [prep] the nature	45
30	it [be] [prep] the nature	45