SN4 ""

No	Pattern	Freq
1	[verb] what [pron] is [prep]	113
2	[prep] what [pron] is [prep]	90
3	[prep] what [pron] is [prep]	90
4	of what [pron] is [prep]	61
5	of what [pron] is [prep]	61
6	know what [pron] is [prep]	48
7	[vb infin] what [pron] is [prep]	37
8	[vb base] what [pron] is [prep]	35
9	know what [pron] is [prep]	20
10	know what [pron] is [prep]	20
11	[to-vb] what [pron] is [prep]	18
12	[be] what [pron] is [prep]	16
13	be what [pron] is [prep]	16
14	[is] what [pron] is [prep]	15
15	[conj] what [pron] is [prep]	15
16	[noun] what [pron] is [prep]	14
17	[coord] what [pron] is [prep]	13
18	[noun sg] what [pron] is [prep]	12
19	[adv] what [pron] is [prep]	12
20	is what [pron] is [prep]	10
21	and what [pron] is [prep]	9
22	and what [pron] is [prep]	9
23	see what [pron] is [prep]	9
24	[vb -s] what [pron] is [prep]	8
25	[vb pp] what [pron] is [prep]	8
26	about what [pron] is [prep]	8
27	about what [pron] is [prep]	8
28	imagine what [pron] is [prep]	7
29	[adv] what [pron] is [prep]	7
30	[v-ing] what [pron] is [prep]	7