SN4 ""

No	Pattern	Freq
1	[verb] what [verb] at the [noun]	16
2	[prep] what [verb] at the [noun]	13
3	[prep] what [verb] at the [noun]	13
4	[vb infin] what [verb] at the [noun]	6
5	of what [verb] at the [noun]	5
6	of what [verb] at the [noun]	5
7	[to-vb] what [verb] at the [noun]	5
8	what [pron] [verb] at the [noun]	58
9	what [pers pn] [verb] at the [noun]	58
10	what be [verb] at the [noun]	45
11	what [be] [verb] at the [noun]	45
12	what was [verb] at the [noun]	27
13	what [was/were] [verb] at the [noun]	27
14	what [is] [verb] at the [noun]	18
15	what i [verb] at the [noun]	14
16	what i [verb] at the [noun]	14
17	what we [verb] at the [noun]	14
18	what [verb] [verb] at the [noun]	14
19	what have [verb] at the [noun]	14
20	what we [verb] at the [noun]	14
21	what had [verb] at the [noun]	12
22	what [vb past] [verb] at the [noun]	12
23	what is [verb] at the [noun]	12
24	what he [verb] at the [noun]	10
25	what you [verb] at the [noun]	10
26	what you [verb] at the [noun]	10
27	what he [verb] at the [noun]	10
28	what [vb mod] [verb] at the [noun]	6
29	what [modal v] [verb] at the [noun]	6
30	what 's [verb] at the [noun]	6