SN4 ""

No	Pattern	Freq
1	about twenty [noun pl]	298
2	about twenty minute	89
3	about twenty minutes	88
4	about twenty year	46
5	about twenty years	46
6	about twenty yard	24
7	about twenty yards	24
8	about twenty [n mass]	24
9	about twenty miles	20
10	about twenty mile	20
11	about twenty foot	18
12	about twenty feet	16
13	about twenty [noun sg]	15
14	about twenty pound	14
15	about twenty seconds	9
16	about twenty metres	9
17	about twenty second	9
18	about twenty metre	9
19	about twenty pound	7
20	about twenty people	7
21	about twenty pounds	7
22	about twenty people	7
23	about twenty quid	6
24	about twenty percent	6
25	about twenty percent	6
26	about twenty quid	5
27	about twenty pace	5
28	about twenty paces	5