SN4 ""

No	Pattern	Freq
1	[noun] for about [adj]	456
2	[noun] for about [num]	430
3	[noun sg] for about [adj]	312
4	[noun pl] for about [adj]	86
5	[noun] for about two	49
6	[noun] for about two	49
7	[noun prp] for about [adj]	48
8	[noun] for about three	36
9	[noun] for about three	36
10	[noun] for about ten	32
11	[noun] for about ten	32
12	[noun] for about five	30
13	[noun] for about five	30
14	[noun] for about six	24
15	[noun] for about six	24
16	[noun] for about half	24
17	[noun] for about half	24
18	[noun] for about [det]	24
19	[noun] for about 10	22
20	[noun] for about 10	22
21	[noun] for about four	21
22	[noun] for about four	21
23	[noun] for about 5	16
24	[noun] for about 5	16
25	[noun] for about twenty	12
26	[noun] for about twenty	12
27	[noun] for about 20	11
28	[noun] for about fifteen	11
29	[noun] for about fifteen	11
30	[noun] for about 20	11