SN4 ""

No	Pattern	Freq
1	of what [verb]	1807
2	of what [vb -s]	895
3	of what [vb past]	741
4	of what have	643
5	of what has	300
6	of what had	282
7	of what happen	255
8	of what happened	168
9	of what [to-vb]	134
10	of what constitute	116
11	of what constitutes	104
12	of what happens	87
13	of what go	77
14	of what do	71
15	of what to do	56
16	of what look	52
17	of what 's	52
18	of what appear	45
19	of what goes	39
20	of what went	38
21	of what looked	37
22	of what make	37
23	of what [vb base]	33
24	of what seem	33
25	of what makes	32
26	of what lie	31
27	of what become	31
28	of what became	30
29	of what follow	26
30	of what appears	24