SN4 ""

No	Pattern	Freq
1	[verb] about that	1547
2	[vb infin] about that	611
3	think about that	269
4	[to-vb] about that	228
5	know about that	207
6	[v-ing] about that	189
7	[vb past] about that	185
8	[vb base] about that	161
9	talk about that	160
10	worry about that	149
11	[vb pp] about that	142
12	know about that	128
13	worry about that	97
14	do about that	91
15	say about that	83
16	think about that	62
17	feel about that	59
18	forget about that	57
19	thinking about that	56
20	talking about that	55
21	do about that	52
22	hear about that	50
23	talk about that	50
24	feel about that	44
25	to think about that	44
26	think about that	42
27	thought about that	41
28	wonder about that	35
29	know about that	33
30	[vb -s] about that	31