SN4 ""

No	Pattern	Freq
1	[vb past] what was	596
2	[to-vb] what was	470
3	know what was	447
4	[vb infin] what was	405
5	see what was	218
6	[v-ing] what was	201
7	knew what was	185
8	[vb pp] what was	167
9	know what was	146
10	to see what was	116
11	[vb base] what was	105
12	understand what was	82
13	wonder what was	70
14	do what was	59
15	ask what was	54
16	to know what was	51
17	see what was	46
18	realise what was	44
19	[vb -s] what was	37
20	say what was	37
21	saw what was	35
22	wondered what was	34
23	hear what was	34
24	understand what was	28
25	asked what was	26
26	explain what was	25
27	decide what was	23
28	wondering what was	23
29	realised what was	23
30	to understand what was	23