SN4 ""

No	Pattern	Freq
1	[verb] what it is [conj]	58
2	[adv] what it is [conj]	33
3	[prep] what it is [conj]	32
4	[prep] what it is [conj]	32
5	[adv] what it is [conj]	25
6	[to-vb] what it is [conj]	22
7	[vb infin] what it is [conj]	18
8	know what it is [conj]	15
9	exactly what it is [conj]	15
10	exactly what it is [conj]	15
11	[noun] what it is [conj]	12
12	about what it is [conj]	12
13	about what it is [conj]	12
14	[pron] what it is [conj]	11
15	[noun sg] what it is [conj]	10
16	of what it is [conj]	9
17	know what it is [conj]	9
18	of what it is [conj]	9
19	[coord] what it is [conj]	9
20	[conj] what it is [conj]	9
21	[pers pn] what it is [conj]	8
22	out what it is [conj]	8
23	out what it is [conj]	8
24	[vb base] what it is [conj]	8
25	[adv prt] what it is [conj]	8
26	and what it is [conj]	6
27	[v-ing] what it is [conj]	6
28	and what it is [conj]	6
29	know what it is [conj]	5
30	what [noun sg] it is [conj]	11