SN4 ""

No	Pattern	Freq
1	to talk about	1670
2	to think about	1333
3	to know about	599
4	to say about	510
5	to worry about	439
6	to do about	365
7	to write about	230
8	to learn about	210
9	to hear about	197
10	to go about	110
11	to complain about	109
12	to ask about	96
13	to forget about	88
14	to speak about	71
15	to care about	69
16	to read about	55
17	to make about	48
18	to bother about	40
19	to see about	35
20	to wonder about	31
21	to speculate about	31
22	to enquire about	28
23	to argue about	27
24	to protest about	27
25	to generalize about	24
26	to note about	24
27	to remember about	21
28	to explain about	20
29	to tell about	19
30	to understand about	18