SN4 ""

No	Pattern	Freq
1	[noun] at [noun prp] on [art]	158
2	[noun sg] at [noun prp] on [art]	123
3	[verb] at [noun prp] on [art]	67
4	[vb pp] at [noun prp] on [art]	34
5	[noun pl] at [noun prp] on [art]	17
6	[adj] at [noun prp] on [art]	13
7	[adv] at [noun prp] on [art]	12
8	[vb past] at [noun prp] on [art]	11
9	[noun prp] at [noun prp] on [art]	10
10	[be] at [noun prp] on [art]	9
11	be at [noun prp] on [art]	9
12	[v-ing] at [noun prp] on [art]	9
13	[n mass] at [noun prp] on [art]	8
14	[conj] at [noun prp] on [art]	8
15	[adv] at [noun prp] on [art]	7
16	[to-vb] at [noun prp] on [art]	7
17	[was/were] at [noun prp] on [art]	6
18	hold at [noun prp] on [art]	6
19	held at [noun prp] on [art]	6
20	plant at [noun prp] on [art]	5
21	work at [noun prp] on [art]	5
22	[num] at [noun prp] on [art]	5
23	based at [noun prp] on [art]	5
24	[adv prt] at [noun prp] on [art]	5
25	base at [noun prp] on [art]	5
26	[coord] at [noun prp] on [art]	5
27	[adj] at [noun prp] on [art]	5
28	[pron] at [noun prp] on [art]	5
29	station at [noun prp] on [art]	5
30	station at [noun prp] on [art]	5