SN4 ""

No	Pattern	Freq
1	[verb] what [pron] is that	38
2	[adv] what [pron] is that	27
3	[prep] what [pron] is that	24
4	[prep] what [pron] is that	24
5	[adv] what [pron] is that	21
6	[to-vb] what [pron] is that	20
7	exactly what [pron] is that	13
8	exactly what [pron] is that	13
9	[noun] what [pron] is that	11
10	about what [pron] is that	11
11	about what [pron] is that	11
12	[noun sg] what [pron] is that	9
13	of what [pron] is that	8
14	of what [pron] is that	8
15	[conj] what [pron] is that	7
16	[vb infin] what [pron] is that	7
17	[coord] what [pron] is that	7
18	and what [pron] is that	6
19	out what [pron] is that	6
20	out what [pron] is that	6
21	[adv prt] what [pron] is that	6
22	and what [pron] is that	6
23	[v-ing] what [pron] is that	5
24	[pron] what [pron] is that	5
25	know what [pron] is that	5
26	what [verb] [pron] is that	28
27	what [vb -s] [pron] is that	28
28	what [noun] [pron] is that	6
29	what concerns [pron] is that	5
30	what concern [pron] is that	5