SN4 ""

No	Pattern	Freq
1	[conj] it [be] [prep] the [num ord]	45
2	[subord] it [be] [prep] the [num ord]	24
3	[coord] it [be] [prep] the [num ord]	17
4	as it [be] [prep] the [num ord]	11
5	as it [be] [prep] the [num ord]	11
6	but it [be] [prep] the [num ord]	10
7	but it [be] [prep] the [num ord]	10
8	[verb] it [be] [prep] the [num ord]	9
9	[adv] it [be] [prep] the [num ord]	9
10	and it [be] [prep] the [num ord]	7
11	and it [be] [prep] the [num ord]	7
12	[pron] it [be] [prep] the [num ord]	6
13	[adv] it [be] [prep] the [num ord]	5
14	what it [be] [prep] the [num ord]	5
15	what it [be] [prep] the [num ord]	5
16	[Wh det] it [be] [prep] the [num ord]	5
17	[noun] it [be] [prep] the [num ord]	5
18	it [verb] [be] [prep] the [num ord]	17
19	it have [be] [prep] the [num ord]	16
20	it [modal v] [be] [prep] the [num ord]	14
21	it [vb mod] [be] [prep] the [num ord]	14
22	it [vb past] [be] [prep] the [num ord]	12
23	it had [be] [prep] the [num ord]	11
24	it will [be] [prep] the [num ord]	7
25	it will [be] [prep] the [num ord]	6
26	it has [be] [prep] the [num ord]	5
27	it [vb -s] [be] [prep] the [num ord]	5
28	it [be] [adv] [prep] the [num ord]	122
29	it [be] [verb] [prep] the [num ord]	113
30	it [be] [vb pp] [prep] the [num ord]	106