SN4 ""

No	Pattern	Freq
1	[prep] twenty minute	191
2	[prep] twenty minute	191
3	[adv] twenty minute	136
4	[adv] twenty minute	135
5	about twenty minute	89
6	about twenty minute	89
7	[adj] twenty minute	78
8	for twenty minute	58
9	for twenty minute	58
10	[verb] twenty minute	54
11	[conj] twenty minute	51
12	in twenty minute	46
13	in twenty minute	46
14	[coord] twenty minute	36
15	[det] twenty minute	34
16	[art] twenty minute	32
17	[art] twenty minute	32
18	[num ord] twenty minute	30
19	[noun] twenty minute	28
20	after twenty minute	24
21	after twenty minute	24
22	[be] twenty minute	22
23	be twenty minute	22
24	and twenty minute	18
25	and twenty minute	18
26	or twenty minute	17
27	or twenty minute	17
28	[vb past] twenty minute	17
29	[noun sg] twenty minute	16
30	some twenty minute	16