SN4 ""

No	Pattern	Freq
1	[subord] it be the [noun sg] [pron]	72
2	[subord] it [is] the [noun sg] [pron]	46
3	[subord] it [be] the [noun sg] [pers pn]	34
4	[subord] it is the [noun sg] [pron]	28
5	[subord] it [was/were] the [noun sg] [pron]	26
6	[subord] it was the [noun sg] [pron]	24
7	if it [be] the [noun sg] [pron]	23
8	[subord] it [be] the [noun sg] [Wh pn]	19
9	[subord] it [be] the [noun sg] who	19
10	[subord] it [be] the [noun sg] who	19
11	[subord] it 's the [noun sg] [pron]	18
12	[subord] it [be] the [noun sg] [Wh det]	15
13	[subord] it [be] the [noun sg] which	14
14	[subord] it [be] the [noun sg] which	14
15	[subord] it [be] the [noun sg] i	12
16	because it [be] the [noun sg] [pron]	12
17	[subord] it [be] the [noun sg] i	12
18	since it [be] the [noun sg] [pron]	8
19	[subord] it [be] the [noun sg] you	7
20	[subord] it [be] the [noun sg] you	7
21	whether it [be] the [noun sg] [pron]	6
22	as it [be] the [noun sg] [pron]	6