SN4 ""

No	Pattern	Freq
1	[verb] [adv] it [be] that	79
2	[conj] [adv] it [be] that	46
3	[coord] [adv] it [be] that	43
4	and [adv] it [be] that	37
5	and [adv] it [be] that	37
6	explain [adv] it [be] that	27
7	[to-vb] [adv] it [be] that	25
8	[vb infin] [adv] it [be] that	17
9	[adv] [adv] it [be] that	16
10	wonder [adv] it [be] that	15
11	[adv] [adv] it [be] that	15
12	[vb base] [adv] it [be] that	14
13	to explain [adv] it [be] that	13
14	[prep] [adv] it [be] that	12
15	[prep] [adv] it [be] that	12
16	[vb past] [adv] it [be] that	11
17	know [adv] it [be] that	8
18	[pron] [adv] it [be] that	7
19	understand [adv] it [be] that	7
20	of [adv] it [be] that	6
21	[noun] [adv] it [be] that	6
22	of [adv] it [be] that	6
23	wonder [adv] it [be] that	6
24	ask [adv] it [be] that	6
25	[v-ing] [adv] it [be] that	6
26	or [adv] it [be] that	5
27	explain [adv] it [be] that	5
28	or [adv] it [be] that	5
29	[adv] [adj] it [be] that	108
30	[adv] [adj] it [be] that	108