SN4 ""

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