SN4 ""

No	Pattern	Freq
1	[verb] [Wh det] it is that	43
2	[prep] [Wh det] it is that	29
3	[prep] [Wh det] it is that	29
4	[adv] [Wh det] it is that	28
5	[adv] [Wh det] it is that	22
6	[to-vb] [Wh det] it is that	21
7	[conj] [Wh det] it is that	16
8	[coord] [Wh det] it is that	15
9	exactly [Wh det] it is that	13
10	exactly [Wh det] it is that	13
11	about [Wh det] it is that	11
12	[noun] [Wh det] it is that	11
13	about [Wh det] it is that	11
14	of [Wh det] it is that	10
15	of [Wh det] it is that	10
16	[noun sg] [Wh det] it is that	9
17	[v-ing] [Wh det] it is that	7
18	or [Wh det] it is that	7
19	[vb infin] [Wh det] it is that	7
20	or [Wh det] it is that	7
21	and [Wh det] it is that	6
22	[adv prt] [Wh det] it is that	6
23	and [Wh det] it is that	6
24	out [Wh det] it is that	6
25	out [Wh det] it is that	6
26	know [Wh det] it is that	6
27	[pron] [Wh det] it is that	6
28	[vb base] [Wh det] it is that	5
29	[Wh det] [noun] it is that	10
30	[Wh det] [noun sg] it is that	10