SN4 ""

No	Pattern	Freq
1	[prep] [adv] twenty [noun]	243
2	[prep] [adv] twenty [noun]	243
3	[verb] [adv] twenty [noun]	142
4	for [adv] twenty [noun]	106
5	for [adv] twenty [noun]	106
6	be [adv] twenty [noun]	95
7	[be] [adv] twenty [noun]	95
8	[adv] [adv] twenty [noun]	86
9	[noun] [adv] twenty [noun]	74
10	[adv] [adv] twenty [noun]	53
11	at [adv] twenty [noun]	51
12	at [adv] twenty [noun]	51
13	[noun sg] [adv] twenty [noun]	50
14	[was/were] [adv] twenty [noun]	42
15	[vb past] [adv] twenty [noun]	38
16	[vb pp] [adv] twenty [noun]	38
17	[conj] [adv] twenty [noun]	33
18	of [adv] twenty [noun]	32
19	of [adv] twenty [noun]	32
20	[adv prt] [adv] twenty [noun]	29
21	was [adv] twenty [noun]	29
22	[is] [adv] twenty [noun]	27
23	[coord] [adv] twenty [noun]	22
24	[v-ing] [adv] twenty [noun]	19
25	[pron] [adv] twenty [noun]	18
26	take [adv] twenty [noun]	18
27	in [adv] twenty [noun]	17
28	in [adv] twenty [noun]	17
29	's [adv] twenty [noun]	17
30	[vb -s] [adv] twenty [noun]	16