SN4 ""

No	Pattern	Freq
1	[noun] of what it is	95
2	[noun sg] of what it is	86
3	idea of what it is	9
4	idea of what it is	9
5	[noun pl] of what it is	9
6	account of what it is	7
7	question of what it is	6
8	understanding of what it is	6
9	[adj] of what it is	6
10	understanding of what it is	6
11	account of what it is	6
12	question of what it is	6
13	sense of what it is	5
14	sense of what it is	5
15	of [v-ing] what it is	5
16	of [verb] what it is	5
17	of what it is [prep]	54
18	of what it is [prep]	54
19	of what it is to	27
20	of what it is to	27
21	of what it is [verb]	16
22	of what it is like	12
23	of what it is like	12
24	of what it is for	10
25	of what it is for	10
26	of what it is [adj]	10
27	of what it is [pron]	9
28	of what it is [pers pn]	9
29	of what it is [to-vb]	9
30	of what it is [conj]	9