SN4 ""

No	Pattern	Freq
1	[adv] [be] it that	42
2	[Wh adv] [be] it that	40
3	why [be] it that	29
4	why [be] it that	29
5	[pron] [be] it that	25
6	[adj] [be] it that	23
7	what [be] it that	21
8	[Wh det] [be] it that	21
9	what [be] it that	21
10	[det] [be] it that	18
11	that [be] it that	17
12	that [be] it that	17
13	how [be] it that	10
14	how [be] it that	10
15	[noun] [be] it that	6
16	[conj] [be] it that	5
17	[coord] [be] it that	5
18	[adj] [be] it that	5
19	[be] [adv] it that	21
20	[be] [not/n't] it that	20
21	[be] not it that	14
22	[be] n't it that	14
23	[be] [verb] it that	12
24	[be] [v-ing] it that	10
25	[be] n it that	6
26	[be] n it that	6
27	[be] it [prep] that	20
28	[be] it [prep] that	20
29	[be] it [verb] that	11
30	[be] it [adv] that	9