SN4 ""

No	Pattern	Freq
1	about thirty [adj]	93
2	about thirty [adj]	93
3	about thirty [num]	72
4	about thirty five	31
5	about thirty five	31
6	about thirty [adj]	21
7	about thirty six	10
8	about thirty six	10
9	about thirty two	6
10	about thirty thousand	6
11	about thirty thousand	6
12	about thirty two	6
13	about thirty three	5
14	about thirty three	5