SN4 ""

No	Pattern	Freq
1	twenty [noun pl]	4519
2	twenty year	1892
3	twenty years	1846
4	twenty minute	704
5	twenty minutes	692
6	twenty pound	505
7	twenty [noun sg]	425
8	twenty pounds	395
9	twenty [n mass]	352
10	twenty mile	182
11	twenty miles	168
12	twenty foot	143
13	twenty feet	118
14	twenty yards	116
15	twenty percent	116
16	twenty yard	116
17	twenty percent	116
18	twenty pound	110
19	twenty quid	106
20	twenty quid	104
21	twenty second	91
22	twenty people	77
23	twenty people	77
24	twenty time	75
25	twenty times	74
26	twenty seconds	64
27	twenty [letter]	63
28	twenty p	55
29	twenty p	55
30	twenty year	46